What color is #370000?

#370000 is a very dark, vivid red, closest to the named color 3AM Breakup. It belongs to the black family of colors.

What is the RGB value of #370000?

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

What is the complementary color of #370000?

The complementary color is #003737, found by rotating the hue 180° on the color wheel.

Is black or white text better on #370000?

White text. Black text has a contrast ratio of 1.16:1 and white text 18.07:1. WCAG asks for at least 4.5:1 for normal text.

#370000 color

#370000 rgb(55, 0, 0)

Shades of black

The hex color #370000 is a very dark, vivid red.

In the RGB color model it is made of 21.6% red, 0% green and 0% blue (55, 0, 0).

Its hue angle is 0°, with 100% saturation and 11% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 100% yellow and 78% black.

The closest named color is 3AM Breakup (#330404), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 18.07:1).

#370000 color codes

HEX	`#370000`
RGB	`rgb(55, 0, 0)`
RGB percent	`rgb(21.6%, 0%, 0%)`
HSL	`hsl(0, 100%, 11%)`
HSV / HSB	`hsv(0, 100%, 22%)`
CMYK	`cmyk(0%, 100%, 100%, 78%)`
CIE LAB	`lab(7.34, 26.89, 11.6)`
CIE LCH	`lch(7.34, 29.29, 23.33)`
CIE XYZ	`xyz(1.576, 0.813, 0.074)`
Decimal	`3604480`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #370000, 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 #370000	Ratio	AA	AAA	AA large
Sample text	1.16:1	Fail	Fail	Fail
Sample text	18.07:1	Pass	Pass	Pass

#370000 as text on	Ratio	AA	AAA	AA large
Sample text	18.07:1	Pass	Pass	Pass
Sample text	1.16:1	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 #370000 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #370000; }
.text { color: #370000; }
.border { border: 2px solid #370000; }
.transparent { background-color: rgb(55 0 0 / 50%); }
.gradient { background: linear-gradient(to right, #370000, #371c00); }

Background

Text color

Border

Similar colors

Questions

What color is #370000?: #370000 is a very dark, vivid red, closest to the named color 3AM Breakup. It belongs to the black family of colors.
What is the RGB value of #370000?: The RGB value is 55, 0, 0: 55 red, 0 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #370000?: The complementary color is #003737, found by rotating the hue 180° on the color wheel.
Is black or white text better on #370000?: White text. Black text has a contrast ratio of 1.16:1 and white text 18.07:1. WCAG asks for at least 4.5:1 for normal text.