What color is #213749?

#213749 is a dark, desaturated azure, closest to the named color Blue Whale. It belongs to the blue family of colors.

What is the RGB value of #213749?

The RGB value is 33, 55, 73: 33 red, 55 green and 73 blue on a 0 to 255 scale.

What is the complementary color of #213749?

The complementary color is #493321, found by rotating the hue 180° on the color wheel.

Is black or white text better on #213749?

White text. Black text has a contrast ratio of 1.71:1 and white text 12.3:1. WCAG asks for at least 4.5:1 for normal text.

#213749 color

#213749 rgb(33, 55, 73)

Shades of blue

The hex color #213749 is a dark, desaturated azure.

In the RGB color model it is made of 12.9% red, 21.6% green and 28.6% blue (33, 55, 73).

Its hue angle is 207°, with 38% saturation and 21% lightness. For print, the CMYK equivalent is 55% cyan, 25% magenta, 0% yellow and 71% black.

The closest named color is Blue Whale (#1E3442), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.3:1).

#213749 color codes

HEX	`#213749`
RGB	`rgb(33, 55, 73)`
RGB percent	`rgb(12.9%, 21.6%, 28.6%)`
HSL	`hsl(207, 38%, 21%)`
HSV / HSB	`hsv(207, 55%, 29%)`
CMYK	`cmyk(55%, 25%, 0%, 71%)`
CIE LAB	`lab(22.08, -2.74, -13.77)`
CIE LCH	`lch(22.08, 14.04, 258.73)`
CIE XYZ	`xyz(3.196, 3.537, 6.816)`
Decimal	`2176841`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #213749, 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 #213749	Ratio	AA	AAA	AA large
Sample text	1.71:1	Fail	Fail	Fail
Sample text	12.3:1	Pass	Pass	Pass

#213749 as text on	Ratio	AA	AAA	AA large
Sample text	12.3:1	Pass	Pass	Pass
Sample text	1.71:1	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 #213749 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #213749; }
.text { color: #213749; }
.border { border: 2px solid #213749; }
.transparent { background-color: rgb(33 55 73 / 50%); }
.gradient { background: linear-gradient(to right, #213749, #212349); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #213749?: #213749 is a dark, desaturated azure, closest to the named color Blue Whale. It belongs to the blue family of colors.
What is the RGB value of #213749?: The RGB value is 33, 55, 73: 33 red, 55 green and 73 blue on a 0 to 255 scale.
What is the complementary color of #213749?: The complementary color is #493321, found by rotating the hue 180° on the color wheel.
Is black or white text better on #213749?: White text. Black text has a contrast ratio of 1.71:1 and white text 12.3:1. WCAG asks for at least 4.5:1 for normal text.