What color is #0B1E2B?

#0B1E2B is a very dark, moderate azure, closest to the named color The Count’s Black. It belongs to the black family of colors.

What is the RGB value of #0B1E2B?

The RGB value is 11, 30, 43: 11 red, 30 green and 43 blue on a 0 to 255 scale.

What is the complementary color of #0B1E2B?

The complementary color is #2B180B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0B1E2B?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.01:1. WCAG asks for at least 4.5:1 for normal text.

#0B1E2B color

#0B1E2B rgb(11, 30, 43)

Shades of black

The hex color #0B1E2B is a very dark, moderate azure.

In the RGB color model it is made of 4.3% red, 11.8% green and 16.9% blue (11, 30, 43).

Its hue angle is 204°, with 59% saturation and 11% lightness. For print, the CMYK equivalent is 74% cyan, 30% magenta, 0% yellow and 83% black.

The closest named color is The Count’s Black (#102030), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.01:1).

#0B1E2B color codes

HEX	`#0B1E2B`
RGB	`rgb(11, 30, 43)`
RGB percent	`rgb(4.3%, 11.8%, 16.9%)`
HSL	`hsl(204, 59%, 11%)`
HSV / HSB	`hsv(204, 74%, 17%)`
CMYK	`cmyk(74%, 30%, 0%, 83%)`
CIE LAB	`lab(10.36, -2.7, -11.06)`
CIE LCH	`lch(10.36, 11.39, 256.28)`
CIE XYZ	`xyz(1.038, 1.174, 2.457)`
Decimal	`728619`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0B1E2B, 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 #0B1E2B	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.01:1	Pass	Pass	Pass

#0B1E2B as text on	Ratio	AA	AAA	AA large
Sample text	17.01:1	Pass	Pass	Pass
Sample text	1.23:1	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 #0B1E2B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0b1e2b; }
.text { color: #0b1e2b; }
.border { border: 2px solid #0b1e2b; }
.transparent { background-color: rgb(11 30 43 / 50%); }
.gradient { background: linear-gradient(to right, #0b1e2b, #0b0e2b); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #0B1E2B?: #0B1E2B is a very dark, moderate azure, closest to the named color The Count’s Black. It belongs to the black family of colors.
What is the RGB value of #0B1E2B?: The RGB value is 11, 30, 43: 11 red, 30 green and 43 blue on a 0 to 255 scale.
What is the complementary color of #0B1E2B?: The complementary color is #2B180B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0B1E2B?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.01:1. WCAG asks for at least 4.5:1 for normal text.