What color is #213939?

#213939 is a very dark, desaturated cyan, closest to the named color Elite Teal. It belongs to the gray family of colors.

What is the RGB value of #213939?

The RGB value is 33, 57, 57: 33 red, 57 green and 57 blue on a 0 to 255 scale.

What is the complementary color of #213939?

The complementary color is #392121, found by rotating the hue 180° on the color wheel.

Is black or white text better on #213939?

White text. Black text has a contrast ratio of 1.71:1 and white text 12.29:1. WCAG asks for at least 4.5:1 for normal text.

#213939 color

#213939 rgb(33, 57, 57)

Shades of gray

The hex color #213939 is a very dark, desaturated cyan.

In the RGB color model it is made of 12.9% red, 22.4% green and 22.4% blue (33, 57, 57).

Its hue angle is 180°, with 27% saturation and 18% lightness. For print, the CMYK equivalent is 42% cyan, 0% magenta, 0% yellow and 78% black.

The closest named color is Elite Teal (#133337), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.29:1).

#213939 color codes

HEX	`#213939`
RGB	`rgb(33, 57, 57)`
RGB percent	`rgb(12.9%, 22.4%, 22.4%)`
HSL	`hsl(180, 27%, 18%)`
HSV / HSB	`hsv(180, 42%, 22%)`
CMYK	`cmyk(42%, 0%, 0%, 78%)`
CIE LAB	`lab(22.11, -9.3, -2.96)`
CIE LCH	`lch(22.11, 9.76, 197.65)`
CIE XYZ	`xyz(2.829, 3.545, 4.405)`
Decimal	`2177337`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #213939, 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 #213939	Ratio	AA	AAA	AA large
Sample text	1.71:1	Fail	Fail	Fail
Sample text	12.29:1	Pass	Pass	Pass

#213939 as text on	Ratio	AA	AAA	AA large
Sample text	12.29:1	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 #213939 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #213939; }
.text { color: #213939; }
.border { border: 2px solid #213939; }
.transparent { background-color: rgb(33 57 57 / 50%); }
.gradient { background: linear-gradient(to right, #213939, #212d39); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #213939?: #213939 is a very dark, desaturated cyan, closest to the named color Elite Teal. It belongs to the gray family of colors.
What is the RGB value of #213939?: The RGB value is 33, 57, 57: 33 red, 57 green and 57 blue on a 0 to 255 scale.
What is the complementary color of #213939?: The complementary color is #392121, found by rotating the hue 180° on the color wheel.
Is black or white text better on #213939?: White text. Black text has a contrast ratio of 1.71:1 and white text 12.29:1. WCAG asks for at least 4.5:1 for normal text.