What color is #21251A?

#21251A is a very dark, grayish yellow-green, closest to the named color Underworld. It belongs to the black family of colors.

What is the RGB value of #21251A?

The RGB value is 33, 37, 26: 33 red, 37 green and 26 blue on a 0 to 255 scale.

What is the complementary color of #21251A?

The complementary color is #1E1A25, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21251A?

White text. Black text has a contrast ratio of 1.34:1 and white text 15.62:1. WCAG asks for at least 4.5:1 for normal text.

#21251A color

#21251A rgb(33, 37, 26)

Shades of black

The hex color #21251A is a very dark, grayish yellow-green.

In the RGB color model it is made of 12.9% red, 14.5% green and 10.2% blue (33, 37, 26).

Its hue angle is 82°, with 17% saturation and 12% lightness. For print, the CMYK equivalent is 11% cyan, 0% magenta, 30% yellow and 85% black.

The closest named color is Underworld (#1E231C), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 15.62:1).

#21251A color codes

HEX	`#21251A`
RGB	`rgb(33, 37, 26)`
RGB percent	`rgb(12.9%, 14.5%, 10.2%)`
HSL	`hsl(82, 17%, 12%)`
HSV / HSB	`hsv(82, 30%, 15%)`
CMYK	`cmyk(11%, 0%, 30%, 85%)`
CIE LAB	`lab(13.95, -4.37, 6.74)`
CIE LCH	`lch(13.95, 8.04, 122.96)`
CIE XYZ	`xyz(1.475, 1.721, 1.232)`
Decimal	`2172186`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21251A, 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 #21251A	Ratio	AA	AAA	AA large
Sample text	1.34:1	Fail	Fail	Fail
Sample text	15.62:1	Pass	Pass	Pass

#21251A as text on	Ratio	AA	AAA	AA large
Sample text	15.62:1	Pass	Pass	Pass
Sample text	1.34:1	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 #21251A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21251a; }
.text { color: #21251a; }
.border { border: 2px solid #21251a; }
.transparent { background-color: rgb(33 37 26 / 50%); }
.gradient { background: linear-gradient(to right, #21251a, #1c251a); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #21251A?: #21251A is a very dark, grayish yellow-green, closest to the named color Underworld. It belongs to the black family of colors.
What is the RGB value of #21251A?: The RGB value is 33, 37, 26: 33 red, 37 green and 26 blue on a 0 to 255 scale.
What is the complementary color of #21251A?: The complementary color is #1E1A25, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21251A?: White text. Black text has a contrast ratio of 1.34:1 and white text 15.62:1. WCAG asks for at least 4.5:1 for normal text.