What color is #21213D?

#21213D is a very dark, desaturated blue, closest to the named color Black Market. It belongs to the blue family of colors.

What is the RGB value of #21213D?

The RGB value is 33, 33, 61: 33 red, 33 green and 61 blue on a 0 to 255 scale.

What is the complementary color of #21213D?

The complementary color is #3D3D21, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21213D?

White text. Black text has a contrast ratio of 1.35:1 and white text 15.56:1. WCAG asks for at least 4.5:1 for normal text.

#21213D color

#21213D rgb(33, 33, 61)

Shades of blue

The hex color #21213D is a very dark, desaturated blue.

In the RGB color model it is made of 12.9% red, 12.9% green and 23.9% blue (33, 33, 61).

Its hue angle is 240°, with 30% saturation and 18% lightness. For print, the CMYK equivalent is 46% cyan, 46% magenta, 0% yellow and 76% black.

The closest named color is Black Market (#222244), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 15.56:1).

#21213D color codes

HEX	`#21213D`
RGB	`rgb(33, 33, 61)`
RGB percent	`rgb(12.9%, 12.9%, 23.9%)`
HSL	`hsl(240, 30%, 18%)`
HSV / HSB	`hsv(240, 46%, 24%)`
CMYK	`cmyk(46%, 46%, 0%, 76%)`
CIE LAB	`lab(14.1, 8.58, -17.98)`
CIE LCH	`lch(14.1, 19.92, 295.51)`
CIE XYZ	`xyz(2.013, 1.748, 4.645)`
Decimal	`2171197`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21213D, 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 #21213D	Ratio	AA	AAA	AA large
Sample text	1.35:1	Fail	Fail	Fail
Sample text	15.56:1	Pass	Pass	Pass

#21213D as text on	Ratio	AA	AAA	AA large
Sample text	15.56:1	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 #21213D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21213d; }
.text { color: #21213d; }
.border { border: 2px solid #21213d; }
.transparent { background-color: rgb(33 33 61 / 50%); }
.gradient { background: linear-gradient(to right, #21213d, #2f213d); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #21213D?: #21213D is a very dark, desaturated blue, closest to the named color Black Market. It belongs to the blue family of colors.
What is the RGB value of #21213D?: The RGB value is 33, 33, 61: 33 red, 33 green and 61 blue on a 0 to 255 scale.
What is the complementary color of #21213D?: The complementary color is #3D3D21, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21213D?: White text. Black text has a contrast ratio of 1.35:1 and white text 15.56:1. WCAG asks for at least 4.5:1 for normal text.