What color is #37575E?

#37575E is a dark, desaturated cyan, closest to the named color Great Void. It belongs to the gray family of colors.

What is the RGB value of #37575E?

The RGB value is 55, 87, 94: 55 red, 87 green and 94 blue on a 0 to 255 scale.

What is the complementary color of #37575E?

The complementary color is #5E3E37, found by rotating the hue 180° on the color wheel.

Is black or white text better on #37575E?

White text. Black text has a contrast ratio of 2.69:1 and white text 7.81:1. WCAG asks for at least 4.5:1 for normal text.

#37575E color

#37575E rgb(55, 87, 94)

Shades of gray

The hex color #37575E is a dark, desaturated cyan.

In the RGB color model it is made of 21.6% red, 34.1% green and 36.9% blue (55, 87, 94).

Its hue angle is 191°, with 26% saturation and 29% lightness. For print, the CMYK equivalent is 41% cyan, 7% magenta, 0% yellow and 63% black.

The closest named color is Great Void (#3B5760), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.81:1).

#37575E color codes

HEX	`#37575E`
RGB	`rgb(55, 87, 94)`
RGB percent	`rgb(21.6%, 34.1%, 36.9%)`
HSL	`hsl(191, 26%, 29%)`
HSV / HSB	`hsv(191, 41%, 37%)`
CMYK	`cmyk(41%, 7%, 0%, 63%)`
CIE LAB	`lab(34.88, -9.67, -7.76)`
CIE LCH	`lch(34.88, 12.4, 218.75)`
CIE XYZ	`xyz(7.003, 8.436, 11.847)`
Decimal	`3626846`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #37575E, 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 #37575E	Ratio	AA	AAA	AA large
Sample text	2.69:1	Fail	Fail	Fail
Sample text	7.81:1	Pass	Pass	Pass

#37575E as text on	Ratio	AA	AAA	AA large
Sample text	7.81:1	Pass	Pass	Pass
Sample text	2.69:1	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 #37575E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #37575e; }
.text { color: #37575e; }
.border { border: 2px solid #37575e; }
.transparent { background-color: rgb(55 87 94 / 50%); }
.gradient { background: linear-gradient(to right, #37575e, #37445e); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #37575E?: #37575E is a dark, desaturated cyan, closest to the named color Great Void. It belongs to the gray family of colors.
What is the RGB value of #37575E?: The RGB value is 55, 87, 94: 55 red, 87 green and 94 blue on a 0 to 255 scale.
What is the complementary color of #37575E?: The complementary color is #5E3E37, found by rotating the hue 180° on the color wheel.
Is black or white text better on #37575E?: White text. Black text has a contrast ratio of 2.69:1 and white text 7.81:1. WCAG asks for at least 4.5:1 for normal text.