What color is #212B3C?

#212B3C is a very dark, desaturated azure, closest to the named color Moonless Mystery. It belongs to the gray family of colors.

What is the RGB value of #212B3C?

The RGB value is 33, 43, 60: 33 red, 43 green and 60 blue on a 0 to 255 scale.

What is the complementary color of #212B3C?

The complementary color is #3C3221, found by rotating the hue 180° on the color wheel.

Is black or white text better on #212B3C?

White text. Black text has a contrast ratio of 1.48:1 and white text 14.23:1. WCAG asks for at least 4.5:1 for normal text.

#212B3C color

#212B3C rgb(33, 43, 60)

Shades of gray

The hex color #212B3C is a very dark, desaturated azure.

In the RGB color model it is made of 12.9% red, 16.9% green and 23.5% blue (33, 43, 60).

Its hue angle is 218°, with 29% saturation and 18% lightness. For print, the CMYK equivalent is 45% cyan, 28% magenta, 0% yellow and 76% black.

The closest named color is Moonless Mystery (#1E2433), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.23:1).

#212B3C color codes

HEX	`#212B3C`
RGB	`rgb(33, 43, 60)`
RGB percent	`rgb(12.9%, 16.9%, 23.5%)`
HSL	`hsl(218, 29%, 18%)`
HSV / HSB	`hsv(218, 45%, 24%)`
CMYK	`cmyk(45%, 28%, 0%, 76%)`
CIE LAB	`lab(17.35, 0.99, -12.21)`
CIE LCH	`lch(17.35, 12.25, 274.63)`
CIE XYZ	`xyz(2.306, 2.377, 4.611)`
Decimal	`2173756`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #212B3C, 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 #212B3C	Ratio	AA	AAA	AA large
Sample text	1.48:1	Fail	Fail	Fail
Sample text	14.23:1	Pass	Pass	Pass

#212B3C as text on	Ratio	AA	AAA	AA large
Sample text	14.23:1	Pass	Pass	Pass
Sample text	1.48:1	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 #212B3C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #212b3c; }
.text { color: #212b3c; }
.border { border: 2px solid #212b3c; }
.transparent { background-color: rgb(33 43 60 / 50%); }
.gradient { background: linear-gradient(to right, #212b3c, #25213c); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #212B3C?: #212B3C is a very dark, desaturated azure, closest to the named color Moonless Mystery. It belongs to the gray family of colors.
What is the RGB value of #212B3C?: The RGB value is 33, 43, 60: 33 red, 43 green and 60 blue on a 0 to 255 scale.
What is the complementary color of #212B3C?: The complementary color is #3C3221, found by rotating the hue 180° on the color wheel.
Is black or white text better on #212B3C?: White text. Black text has a contrast ratio of 1.48:1 and white text 14.23:1. WCAG asks for at least 4.5:1 for normal text.