What color is #0A181B?

#0A181B is a very dark, desaturated cyan, closest to the named color Black Stallion. It belongs to the black family of colors.

What is the RGB value of #0A181B?

The RGB value is 10, 24, 27: 10 red, 24 green and 27 blue on a 0 to 255 scale.

What is the complementary color of #0A181B?

The complementary color is #1B0D0A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A181B?

White text. Black text has a contrast ratio of 1.16:1 and white text 18.11:1. WCAG asks for at least 4.5:1 for normal text.

#0A181B color

#0A181B rgb(10, 24, 27)

Shades of black

The hex color #0A181B is a very dark, desaturated cyan.

In the RGB color model it is made of 3.9% red, 9.4% green and 10.6% blue (10, 24, 27).

Its hue angle is 191°, with 46% saturation and 7% lightness. For print, the CMYK equivalent is 63% cyan, 11% magenta, 0% yellow and 89% black.

The closest named color is Black Stallion (#0E191C), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 18.11:1).

#0A181B color codes

HEX	`#0A181B`
RGB	`rgb(10, 24, 27)`
RGB percent	`rgb(3.9%, 9.4%, 10.6%)`
HSL	`hsl(191, 46%, 7%)`
HSV / HSB	`hsv(191, 63%, 11%)`
CMYK	`cmyk(63%, 11%, 0%, 89%)`
CIE LAB	`lab(7.2, -4.42, -3.96)`
CIE LCH	`lch(7.2, 5.94, 221.9)`
CIE XYZ	`xyz(0.65, 0.797, 1.156)`
Decimal	`661531`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A181B, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #0A181B	Ratio	AA	AAA	AA large
Sample text	1.16:1	Fail	Fail	Fail
Sample text	18.11:1	Pass	Pass	Pass

#0A181B as text on	Ratio	AA	AAA	AA large
Sample text	18.11:1	Pass	Pass	Pass
Sample text	1.16:1	Fail	Fail	Fail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #0A181B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a181b; }
.text { color: #0a181b; }
.border { border: 2px solid #0a181b; }
.transparent { background-color: rgb(10 24 27 / 50%); }
.gradient { background: linear-gradient(to right, #0a181b, #0a0f1b); }

Background

Text color

Border

Similar colors

Questions

What color is #0A181B?: #0A181B is a very dark, desaturated cyan, closest to the named color Black Stallion. It belongs to the black family of colors.
What is the RGB value of #0A181B?: The RGB value is 10, 24, 27: 10 red, 24 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #0A181B?: The complementary color is #1B0D0A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A181B?: White text. Black text has a contrast ratio of 1.16:1 and white text 18.11:1. WCAG asks for at least 4.5:1 for normal text.