What color is #15212F?

#15212F is a very dark, desaturated azure, closest to the named color The Count’s Black. It belongs to the black family of colors.

What is the RGB value of #15212F?

The RGB value is 21, 33, 47: 21 red, 33 green and 47 blue on a 0 to 255 scale.

What is the complementary color of #15212F?

The complementary color is #2F2315, found by rotating the hue 180° on the color wheel.

Is black or white text better on #15212F?

White text. Black text has a contrast ratio of 1.29:1 and white text 16.27:1. WCAG asks for at least 4.5:1 for normal text.

#15212F color

#15212F rgb(21, 33, 47)

Shades of black

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

In the RGB color model it is made of 8.2% red, 12.9% green and 18.4% blue (21, 33, 47).

Its hue angle is 212°, with 38% saturation and 13% lightness. For print, the CMYK equivalent is 55% cyan, 30% magenta, 0% yellow and 82% black.

The closest named color is The Count’s Black (#102030), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.27:1).

#15212F color codes

HEX	`#15212F`
RGB	`rgb(21, 33, 47)`
RGB percent	`rgb(8.2%, 12.9%, 18.4%)`
HSL	`hsl(212, 38%, 13%)`
HSV / HSB	`hsv(212, 55%, 18%)`
CMYK	`cmyk(55%, 30%, 0%, 82%)`
CIE LAB	`lab(12.3, -0.42, -10.91)`
CIE LCH	`lch(12.3, 10.92, 267.78)`
CIE XYZ	`xyz(1.366, 1.452, 2.897)`
Decimal	`1384751`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #15212F, 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 #15212F	Ratio	AA	AAA	AA large
Sample text	1.29:1	Fail	Fail	Fail
Sample text	16.27:1	Pass	Pass	Pass

#15212F as text on	Ratio	AA	AAA	AA large
Sample text	16.27:1	Pass	Pass	Pass
Sample text	1.29:1	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 #15212F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #15212f; }
.text { color: #15212f; }
.border { border: 2px solid #15212f; }
.transparent { background-color: rgb(21 33 47 / 50%); }
.gradient { background: linear-gradient(to right, #15212f, #16152f); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #15212F?: #15212F is a very dark, desaturated azure, closest to the named color The Count’s Black. It belongs to the black family of colors.
What is the RGB value of #15212F?: The RGB value is 21, 33, 47: 21 red, 33 green and 47 blue on a 0 to 255 scale.
What is the complementary color of #15212F?: The complementary color is #2F2315, found by rotating the hue 180° on the color wheel.
Is black or white text better on #15212F?: White text. Black text has a contrast ratio of 1.29:1 and white text 16.27:1. WCAG asks for at least 4.5:1 for normal text.