What color is #21353B?

#21353B is a very dark, desaturated cyan, closest to the named color Astral Nomad. It belongs to the gray family of colors.

What is the RGB value of #21353B?

The RGB value is 33, 53, 59: 33 red, 53 green and 59 blue on a 0 to 255 scale.

What is the complementary color of #21353B?

The complementary color is #3B2721, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21353B?

White text. Black text has a contrast ratio of 1.64:1 and white text 12.83:1. WCAG asks for at least 4.5:1 for normal text.

#21353B color

#21353B rgb(33, 53, 59)

Shades of gray

The hex color #21353B is a very dark, desaturated cyan.

In the RGB color model it is made of 12.9% red, 20.8% green and 23.1% blue (33, 53, 59).

Its hue angle is 194°, with 28% saturation and 18% lightness. For print, the CMYK equivalent is 44% cyan, 10% magenta, 0% yellow and 77% black.

The closest named color is Astral Nomad (#203943), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.83:1).

#21353B color codes

HEX	`#21353B`
RGB	`rgb(33, 53, 59)`
RGB percent	`rgb(12.9%, 20.8%, 23.1%)`
HSL	`hsl(194, 28%, 18%)`
HSV / HSB	`hsv(194, 44%, 23%)`
CMYK	`cmyk(44%, 10%, 0%, 77%)`
CIE LAB	`lab(20.77, -6.13, -6.31)`
CIE LCH	`lch(20.77, 8.8, 225.82)`
CIE XYZ	`xyz(2.689, 3.185, 4.61)`
Decimal	`2176315`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21353B, 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 #21353B	Ratio	AA	AAA	AA large
Sample text	1.64:1	Fail	Fail	Fail
Sample text	12.83:1	Pass	Pass	Pass

#21353B as text on	Ratio	AA	AAA	AA large
Sample text	12.83:1	Pass	Pass	Pass
Sample text	1.64:1	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 #21353B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21353b; }
.text { color: #21353b; }
.border { border: 2px solid #21353b; }
.transparent { background-color: rgb(33 53 59 / 50%); }
.gradient { background: linear-gradient(to right, #21353b, #21283b); }

Background

Text color

Border

Similar colors

Questions

What color is #21353B?: #21353B is a very dark, desaturated cyan, closest to the named color Astral Nomad. It belongs to the gray family of colors.
What is the RGB value of #21353B?: The RGB value is 33, 53, 59: 33 red, 53 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #21353B?: The complementary color is #3B2721, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21353B?: White text. Black text has a contrast ratio of 1.64:1 and white text 12.83:1. WCAG asks for at least 4.5:1 for normal text.