What color is #213D4D?

#213D4D is a dark, desaturated azure, closest to the named color Depths of the Nile. It belongs to the blue family of colors.

What is the RGB value of #213D4D?

The RGB value is 33, 61, 77: 33 red, 61 green and 77 blue on a 0 to 255 scale.

What is the complementary color of #213D4D?

The complementary color is #4D3121, found by rotating the hue 180° on the color wheel.

Is black or white text better on #213D4D?

White text. Black text has a contrast ratio of 1.84:1 and white text 11.42:1. WCAG asks for at least 4.5:1 for normal text.

#213D4D color

#213D4D rgb(33, 61, 77)

Shades of blue

The hex color #213D4D is a dark, desaturated azure.

In the RGB color model it is made of 12.9% red, 23.9% green and 30.2% blue (33, 61, 77).

Its hue angle is 202°, with 40% saturation and 22% lightness. For print, the CMYK equivalent is 57% cyan, 21% magenta, 0% yellow and 70% black.

The closest named color is Depths of the Nile (#253F4E), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.42:1).

#213D4D color codes

HEX	`#213D4D`
RGB	`rgb(33, 61, 77)`
RGB percent	`rgb(12.9%, 23.9%, 30.2%)`
HSL	`hsl(202, 40%, 22%)`
HSV / HSB	`hsv(202, 57%, 30%)`
CMYK	`cmyk(57%, 21%, 0%, 70%)`
CIE LAB	`lab(24.31, -5.29, -12.98)`
CIE LCH	`lch(24.31, 14.02, 247.82)`
CIE XYZ	`xyz(3.635, 4.196, 7.638)`
Decimal	`2178381`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #213D4D, 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 #213D4D	Ratio	AA	AAA	AA large
Sample text	1.84:1	Fail	Fail	Fail
Sample text	11.42:1	Pass	Pass	Pass

#213D4D as text on	Ratio	AA	AAA	AA large
Sample text	11.42:1	Pass	Pass	Pass
Sample text	1.84:1	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 #213D4D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #213d4d; }
.text { color: #213d4d; }
.border { border: 2px solid #213d4d; }
.transparent { background-color: rgb(33 61 77 / 50%); }
.gradient { background: linear-gradient(to right, #213d4d, #21274d); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #213D4D?: #213D4D is a dark, desaturated azure, closest to the named color Depths of the Nile. It belongs to the blue family of colors.
What is the RGB value of #213D4D?: The RGB value is 33, 61, 77: 33 red, 61 green and 77 blue on a 0 to 255 scale.
What is the complementary color of #213D4D?: The complementary color is #4D3121, found by rotating the hue 180° on the color wheel.
Is black or white text better on #213D4D?: White text. Black text has a contrast ratio of 1.84:1 and white text 11.42:1. WCAG asks for at least 4.5:1 for normal text.