Oil Hex Code — #281E15

RGB, HSL, and CMYK values for Oil.

Last updated: April 6, 2026

Oil Color Values

Format	Value
HEX	#281E15
RGB	rgb(40, 30, 21)
HSL	hsl(28, 31%, 12%)
CMYK	cmyk(0%, 25%, 47%, 84%)

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About Oil

Color psychology: Richness, strength.

Oil (#281E15) is a dark shade of black with a hue angle of 28° on the color wheel, 31% saturation, and 12% lightness. It's commonly used in web design, graphic design, and branding where richness, strength are desired associations.

In color theory, Oil sits in the warm section of the spectrum. Its moderate saturation gives it a balanced, professional appearance suitable for both text and backgrounds.

When to Use Oil in Design

Web Design

Use Oil for headings, links, or accent elements against light backgrounds. Dark colors like this provide strong contrast and draw the eye to important content.

Branding & Logo

Oil conveys richness, strength — consider it for brands that want to project these qualities. Test it at small sizes (favicon, social avatar) to ensure it remains recognizable.

Print Design

Use the CMYK values (C:0% M:25% Y:47% K:84%) for accurate print reproduction in brochures, business cards, and packaging. Request a physical proof — screen colors often appear more vibrant than their printed equivalents.

UI / UX Design

Dark colors like Oil are effective for primary buttons, navigation bars, and text. Use a lighter tint (increase HSL lightness to 90%+) for hover backgrounds.

How to Use Oil in CSS

/* Using HEX */
color: #281E15;
background-color: #281E15;

/* Using RGB */
color: rgb(40, 30, 21);

/* Using HSL — best for creating variations */
color: hsl(28, 31%, 12%);

/* Transparent overlay (50% opacity) */
background-color: rgba(40, 30, 21, 0.5);

/* Lighter variant for hover states */
background-color: hsl(28, 31%, 22%);

/* Darker variant for active states */
background-color: hsl(28, 31%, 5%);

HSL is the most flexible format for creating color systems. By adjusting the lightness value, you can generate an entire shade scale from Oil without changing its core hue or saturation.

Colors That Go With Oil

Complementary

Analogous

Triadic

Similar Shades of Black

Licorice

#1A1110

Black

#000000

Jet Black

#0A0A0A

Midnight

#121212

Dark Charcoal

#333333

Obsidian

#3B3C36

Frequently Asked Questions

What is the hex code for Oil?

The hex color code for Oil is #281E15. In CSS, apply it as text color with color: #281E15;, as a background with background-color: #281E15;, or as a border with border-color: #281E15;. Hex is the most widely used color notation on the web because it is compact, supported by every browser, and easy to copy between design tools like Figma, Photoshop, and code editors.

What is Oil in RGB and when should I use RGB?

Oil in RGB is rgb(40, 30, 21), where Red=40, Green=30, and Blue=21 on a 0-255 scale. Use RGB when you need transparency — rgba(40, 30, 21, 0.5) creates a 50% transparent version. RGB is also the native format for HTML canvas, WebGL, and JavaScript image manipulation, since each channel represents the intensity of that primary light color on screen displays.

How to use Oil in CSS with different color formats?

Oil can be applied in CSS using multiple formats: (1) Hex: color: #281E15; — most compact and widely used. (2) RGB: color: rgb(40, 30, 21); — useful when calculating colors dynamically in JavaScript. (3) HSL: color: hsl(28, 31%, 12%); — best for creating variations, since adjusting lightness produces lighter or darker shades while keeping the same hue. (4) With transparency: rgba(40, 30, 21, 0.8); or hsla(28, 31%, 12%, 0.8); for 80% opacity overlays.

What is the HSL value of Oil and why is HSL useful for designers?

Oil in HSL is hsl(28, 31%, 12%). HSL stands for Hue (28 degrees on the color wheel), Saturation (31% color intensity), and Lightness (12% brightness). HSL is the most intuitive format for designers because you can create harmonious palettes by rotating the hue, generate hover effects by increasing lightness by 10%, and desaturate colors by reducing the S value. This makes Oil a dark, moderate warm-toned color.

What is the CMYK value of Oil for print design?

Oil in CMYK is C:0% M:25% Y:47% K:84%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the standard color model for professional printing — business cards, brochures, merchandise, and packaging. When designing for print in Adobe InDesign or Illustrator, use these exact CMYK values to ensure accurate color reproduction. Screen colors (RGB) often appear more vibrant than their printed CMYK equivalents, so always request a physical proof for brand-critical materials.

What colors pair well with Oil in design projects?

Black pairs with everything but is most striking with white, gold, red, or bright accents. In dark mode UIs, use near-black (#121212) instead of pure black for softer, more comfortable contrast.

Is Oil (#281E15) accessible for web design and WCAG compliant?

Black text on white exceeds all WCAG requirements. For dark mode, avoid pure black backgrounds — use #121212 with #E0E0E0 text to prevent halation (text glowing) for users with astigmatism. For Oil specifically: as a dark shade (lightness: 12%), it can work as a text color on light backgrounds, but verify the exact contrast ratio using a contrast checker tool. WCAG 2.1 requires a minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text (18px+ bold or 24px+ regular).

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Written by

Tamanna Tasnim

Senior Full Stack Developer

ToolsContainerDhaka, Bangladesh5+ years experiencetasnim@toolscontainer.com www.toolscontainer.com

Full-stack developer with deep expertise in data formats, APIs, and developer tooling. Writes in-depth technical comparisons and conversion guides backed by hands-on engineering experience across modern web stacks.

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