What color is #15212B?

#15212B is a very dark, desaturated azure, closest to the named color Dark. It belongs to the black family of colors.

What is the RGB value of #15212B?

The RGB value is 21, 33, 43: 21 red, 33 green and 43 blue on a 0 to 255 scale.

What is the complementary color of #15212B?

The complementary color is #2B1F15, found by rotating the hue 180° on the color wheel.

Is black or white text better on #15212B?

White text. Black text has a contrast ratio of 1.28:1 and white text 16.35:1. WCAG asks for at least 4.5:1 for normal text.

#15212B color

#15212B rgb(21, 33, 43)

Shades of black

The hex color #15212B is a very dark, desaturated azure.

In the RGB color model it is made of 8.2% red, 12.9% green and 16.9% blue (21, 33, 43).

Its hue angle is 207°, with 34% saturation and 13% lightness. For print, the CMYK equivalent is 51% cyan, 23% magenta, 0% yellow and 83% black.

The closest named color is Dark (#1B2431), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.35:1).

#15212B color codes

HEX	`#15212B`
RGB	`rgb(21, 33, 43)`
RGB percent	`rgb(8.2%, 12.9%, 16.9%)`
HSL	`hsl(207, 34%, 13%)`
HSV / HSB	`hsv(207, 51%, 17%)`
CMYK	`cmyk(51%, 23%, 0%, 83%)`
CIE LAB	`lab(12.1, -1.88, -8.33)`
CIE LCH	`lch(12.1, 8.54, 257.26)`
CIE XYZ	`xyz(1.289, 1.421, 2.491)`
Decimal	`1384747`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #15212B, 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 #15212B	Ratio	AA	AAA	AA large
Sample text	1.28:1	Fail	Fail	Fail
Sample text	16.35:1	Pass	Pass	Pass

#15212B as text on	Ratio	AA	AAA	AA large
Sample text	16.35:1	Pass	Pass	Pass
Sample text	1.28:1	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 #15212B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #15212b; }
.text { color: #15212b; }
.border { border: 2px solid #15212b; }
.transparent { background-color: rgb(21 33 43 / 50%); }
.gradient { background: linear-gradient(to right, #15212b, #15162b); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #15212B?: #15212B is a very dark, desaturated azure, closest to the named color Dark. It belongs to the black family of colors.
What is the RGB value of #15212B?: The RGB value is 21, 33, 43: 21 red, 33 green and 43 blue on a 0 to 255 scale.
What is the complementary color of #15212B?: The complementary color is #2B1F15, found by rotating the hue 180° on the color wheel.
Is black or white text better on #15212B?: White text. Black text has a contrast ratio of 1.28:1 and white text 16.35:1. WCAG asks for at least 4.5:1 for normal text.