What color is #213833?

#213833 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the gray family of colors.

What is the RGB value of #213833?

The RGB value is 33, 56, 51: 33 red, 56 green and 51 blue on a 0 to 255 scale.

What is the complementary color of #213833?

The complementary color is #382126, found by rotating the hue 180° on the color wheel.

Is black or white text better on #213833?

White text. Black text has a contrast ratio of 1.68:1 and white text 12.51:1. WCAG asks for at least 4.5:1 for normal text.

#213833 color

#213833 rgb(33, 56, 51)

Shades of gray

The hex color #213833 is a very dark, desaturated spring green.

In the RGB color model it is made of 12.9% red, 22% green and 20% blue (33, 56, 51).

Its hue angle is 167°, with 26% saturation and 17% lightness. For print, the CMYK equivalent is 41% cyan, 0% magenta, 9% yellow and 78% black.

The closest named color is Swamp Thing (#162825), a difference of 5.2 ΔE.

White text is the more readable choice on this background (contrast 12.51:1).

#213833 color codes

HEX	`#213833`
RGB	`rgb(33, 56, 51)`
RGB percent	`rgb(12.9%, 22%, 20%)`
HSL	`hsl(167, 26%, 17%)`
HSV / HSB	`hsv(167, 41%, 22%)`
CMYK	`cmyk(41%, 0%, 9%, 78%)`
CIE LAB	`lab(21.54, -10.43, 0.26)`
CIE LCH	`lch(21.54, 10.44, 178.55)`
CIE XYZ	`xyz(2.639, 3.391, 3.647)`
Decimal	`2177075`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #213833, 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 #213833	Ratio	AA	AAA	AA large
Sample text	1.68:1	Fail	Fail	Fail
Sample text	12.51:1	Pass	Pass	Pass

#213833 as text on	Ratio	AA	AAA	AA large
Sample text	12.51:1	Pass	Pass	Pass
Sample text	1.68:1	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 #213833 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #213833; }
.text { color: #213833; }
.border { border: 2px solid #213833; }
.transparent { background-color: rgb(33 56 51 / 50%); }
.gradient { background: linear-gradient(to right, #213833, #213138); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #213833?: #213833 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the gray family of colors.
What is the RGB value of #213833?: The RGB value is 33, 56, 51: 33 red, 56 green and 51 blue on a 0 to 255 scale.
What is the complementary color of #213833?: The complementary color is #382126, found by rotating the hue 180° on the color wheel.
Is black or white text better on #213833?: White text. Black text has a contrast ratio of 1.68:1 and white text 12.51:1. WCAG asks for at least 4.5:1 for normal text.