What color is #0A0B15?

#0A0B15 is a very dark, desaturated blue, closest to the named color Narwhal Gray. It belongs to the black family of colors.

What is the RGB value of #0A0B15?

The RGB value is 10, 11, 21: 10 red, 11 green and 21 blue on a 0 to 255 scale.

What is the complementary color of #0A0B15?

The complementary color is #15140A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A0B15?

White text. Black text has a contrast ratio of 1.07:1 and white text 19.6:1. WCAG asks for at least 4.5:1 for normal text.

#0A0B15 color

#0A0B15 rgb(10, 11, 21)

Shades of black

The hex color #0A0B15 is a very dark, desaturated blue.

In the RGB color model it is made of 3.9% red, 4.3% green and 8.2% blue (10, 11, 21).

Its hue angle is 235°, with 35% saturation and 6% lightness. For print, the CMYK equivalent is 52% cyan, 48% magenta, 0% yellow and 92% black.

The closest named color is Narwhal Gray (#080813), a difference of 0.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 19.6:1).

#0A0B15 color codes

HEX	`#0A0B15`
RGB	`rgb(10, 11, 21)`
RGB percent	`rgb(3.9%, 4.3%, 8.2%)`
HSL	`hsl(235, 35%, 6%)`
HSV / HSB	`hsv(235, 52%, 8%)`
CMYK	`cmyk(52%, 48%, 0%, 92%)`
CIE LAB	`lab(3.23, 1.63, -5.27)`
CIE LCH	`lch(3.23, 5.52, 287.22)`
CIE XYZ	`xyz(0.38, 0.358, 0.758)`
Decimal	`658197`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A0B15, 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 #0A0B15	Ratio	AA	AAA	AA large
Sample text	1.07:1	Fail	Fail	Fail
Sample text	19.6:1	Pass	Pass	Pass

#0A0B15 as text on	Ratio	AA	AAA	AA large
Sample text	19.6:1	Pass	Pass	Pass
Sample text	1.07:1	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 #0A0B15 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a0b15; }
.text { color: #0a0b15; }
.border { border: 2px solid #0a0b15; }
.transparent { background-color: rgb(10 11 21 / 50%); }
.gradient { background: linear-gradient(to right, #0a0b15, #0e0a15); }

Background

Text color

Border

Similar colors

Questions

What color is #0A0B15?: #0A0B15 is a very dark, desaturated blue, closest to the named color Narwhal Gray. It belongs to the black family of colors.
What is the RGB value of #0A0B15?: The RGB value is 10, 11, 21: 10 red, 11 green and 21 blue on a 0 to 255 scale.
What is the complementary color of #0A0B15?: The complementary color is #15140A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A0B15?: White text. Black text has a contrast ratio of 1.07:1 and white text 19.6:1. WCAG asks for at least 4.5:1 for normal text.