What color is #21242D?

#21242D is a very dark, grayish blue, closest to the named color Infinity. It belongs to the black family of colors.

What is the RGB value of #21242D?

The RGB value is 33, 36, 45: 33 red, 36 green and 45 blue on a 0 to 255 scale.

What is the complementary color of #21242D?

The complementary color is #2D2A21, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21242D?

White text. Black text has a contrast ratio of 1.35:1 and white text 15.5:1. WCAG asks for at least 4.5:1 for normal text.

#21242D color

#21242D rgb(33, 36, 45)

Shades of black

The hex color #21242D is a very dark, grayish blue.

In the RGB color model it is made of 12.9% red, 14.1% green and 17.6% blue (33, 36, 45).

Its hue angle is 225°, with 15% saturation and 15% lightness. For print, the CMYK equivalent is 27% cyan, 20% magenta, 0% yellow and 82% black.

The closest named color is Infinity (#222831), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 15.5:1).

#21242D color codes

HEX	`#21242D`
RGB	`rgb(33, 36, 45)`
RGB percent	`rgb(12.9%, 14.1%, 17.6%)`
HSL	`hsl(225, 15%, 15%)`
HSV / HSB	`hsv(225, 27%, 18%)`
CMYK	`cmyk(27%, 20%, 0%, 82%)`
CIE LAB	`lab(14.26, 1.15, -6.4)`
CIE LCH	`lch(14.26, 6.5, 280.19)`
CIE XYZ	`xyz(1.732, 1.775, 2.733)`
Decimal	`2171949`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21242D, 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 #21242D	Ratio	AA	AAA	AA large
Sample text	1.35:1	Fail	Fail	Fail
Sample text	15.5:1	Pass	Pass	Pass

#21242D as text on	Ratio	AA	AAA	AA large
Sample text	15.5:1	Pass	Pass	Pass
Sample text	1.35:1	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 #21242D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21242d; }
.text { color: #21242d; }
.border { border: 2px solid #21242d; }
.transparent { background-color: rgb(33 36 45 / 50%); }
.gradient { background: linear-gradient(to right, #21242d, #24212d); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #21242D?: #21242D is a very dark, grayish blue, closest to the named color Infinity. It belongs to the black family of colors.
What is the RGB value of #21242D?: The RGB value is 33, 36, 45: 33 red, 36 green and 45 blue on a 0 to 255 scale.
What is the complementary color of #21242D?: The complementary color is #2D2A21, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21242D?: White text. Black text has a contrast ratio of 1.35:1 and white text 15.5:1. WCAG asks for at least 4.5:1 for normal text.