What color is #212F45?

#212F45 is a dark, desaturated azure, closest to the named color Eternal Darkness. It belongs to the blue family of colors.

What is the RGB value of #212F45?

The RGB value is 33, 47, 69: 33 red, 47 green and 69 blue on a 0 to 255 scale.

What is the complementary color of #212F45?

The complementary color is #453721, found by rotating the hue 180° on the color wheel.

Is black or white text better on #212F45?

White text. Black text has a contrast ratio of 1.56:1 and white text 13.49:1. WCAG asks for at least 4.5:1 for normal text.

#212F45 color

#212F45 rgb(33, 47, 69)

Shades of blue

The hex color #212F45 is a dark, desaturated azure.

In the RGB color model it is made of 12.9% red, 18.4% green and 27.1% blue (33, 47, 69).

Its hue angle is 217°, with 35% saturation and 20% lightness. For print, the CMYK equivalent is 52% cyan, 32% magenta, 0% yellow and 73% black.

The closest named color is Eternal Darkness (#1C2841), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.49:1).

#212F45 color codes

HEX	`#212F45`
RGB	`rgb(33, 47, 69)`
RGB percent	`rgb(12.9%, 18.4%, 27.1%)`
HSL	`hsl(217, 35%, 20%)`
HSV / HSB	`hsv(217, 52%, 27%)`
CMYK	`cmyk(52%, 32%, 0%, 73%)`
CIE LAB	`lab(19.17, 1.32, -15.58)`
CIE LCH	`lch(19.17, 15.63, 274.84)`
CIE XYZ	`xyz(2.718, 2.786, 6.024)`
Decimal	`2174789`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #212F45, 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 #212F45	Ratio	AA	AAA	AA large
Sample text	1.56:1	Fail	Fail	Fail
Sample text	13.49:1	Pass	Pass	Pass

#212F45 as text on	Ratio	AA	AAA	AA large
Sample text	13.49:1	Pass	Pass	Pass
Sample text	1.56:1	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 #212F45 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #212f45; }
.text { color: #212f45; }
.border { border: 2px solid #212f45; }
.transparent { background-color: rgb(33 47 69 / 50%); }
.gradient { background: linear-gradient(to right, #212f45, #252145); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #212F45?: #212F45 is a dark, desaturated azure, closest to the named color Eternal Darkness. It belongs to the blue family of colors.
What is the RGB value of #212F45?: The RGB value is 33, 47, 69: 33 red, 47 green and 69 blue on a 0 to 255 scale.
What is the complementary color of #212F45?: The complementary color is #453721, found by rotating the hue 180° on the color wheel.
Is black or white text better on #212F45?: White text. Black text has a contrast ratio of 1.56:1 and white text 13.49:1. WCAG asks for at least 4.5:1 for normal text.