What color is #213B3C?

#213B3C is a very dark, desaturated cyan, closest to the named color Emerald Forest. It belongs to the gray family of colors.

What is the RGB value of #213B3C?

The RGB value is 33, 59, 60: 33 red, 59 green and 60 blue on a 0 to 255 scale.

What is the complementary color of #213B3C?

The complementary color is #3C2221, found by rotating the hue 180° on the color wheel.

Is black or white text better on #213B3C?

White text. Black text has a contrast ratio of 1.76:1 and white text 11.96:1. WCAG asks for at least 4.5:1 for normal text.

#213B3C color

#213B3C rgb(33, 59, 60)

Shades of gray

The hex color #213B3C is a very dark, desaturated cyan.

In the RGB color model it is made of 12.9% red, 23.1% green and 23.5% blue (33, 59, 60).

Its hue angle is 182°, with 29% saturation and 18% lightness. For print, the CMYK equivalent is 45% cyan, 2% magenta, 0% yellow and 76% black.

The closest named color is Emerald Forest (#224347), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.96:1).

#213B3C color codes

HEX	`#213B3C`
RGB	`rgb(33, 59, 60)`
RGB percent	`rgb(12.9%, 23.1%, 23.5%)`
HSL	`hsl(182, 29%, 18%)`
HSV / HSB	`hsv(182, 45%, 24%)`
CMYK	`cmyk(45%, 2%, 0%, 76%)`
CIE LAB	`lab(22.92, -9.63, -3.77)`
CIE LCH	`lch(22.92, 10.34, 201.35)`
CIE XYZ	`xyz(3.006, 3.777, 4.845)`
Decimal	`2177852`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #213B3C, 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 #213B3C	Ratio	AA	AAA	AA large
Sample text	1.76:1	Fail	Fail	Fail
Sample text	11.96:1	Pass	Pass	Pass

#213B3C as text on	Ratio	AA	AAA	AA large
Sample text	11.96:1	Pass	Pass	Pass
Sample text	1.76:1	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 #213B3C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #213b3c; }
.text { color: #213b3c; }
.border { border: 2px solid #213b3c; }
.transparent { background-color: rgb(33 59 60 / 50%); }
.gradient { background: linear-gradient(to right, #213b3c, #212e3c); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #213B3C?: #213B3C is a very dark, desaturated cyan, closest to the named color Emerald Forest. It belongs to the gray family of colors.
What is the RGB value of #213B3C?: The RGB value is 33, 59, 60: 33 red, 59 green and 60 blue on a 0 to 255 scale.
What is the complementary color of #213B3C?: The complementary color is #3C2221, found by rotating the hue 180° on the color wheel.
Is black or white text better on #213B3C?: White text. Black text has a contrast ratio of 1.76:1 and white text 11.96:1. WCAG asks for at least 4.5:1 for normal text.