What color is #370A3A?

#370A3A is a very dark, moderate magenta, closest to the named color Velvet Cosmos. It belongs to the black family of colors.

What is the RGB value of #370A3A?

The RGB value is 55, 10, 58: 55 red, 10 green and 58 blue on a 0 to 255 scale.

What is the complementary color of #370A3A?

The complementary color is #0D3A0A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #370A3A?

White text. Black text has a contrast ratio of 1.27:1 and white text 16.58:1. WCAG asks for at least 4.5:1 for normal text.

#370A3A color

#370A3A rgb(55, 10, 58)

Shades of black

The hex color #370A3A is a very dark, moderate magenta.

In the RGB color model it is made of 21.6% red, 3.9% green and 22.7% blue (55, 10, 58).

Its hue angle is 296°, with 71% saturation and 13% lightness. For print, the CMYK equivalent is 5% cyan, 83% magenta, 0% yellow and 77% black.

The closest named color is Velvet Cosmos (#441144), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.58:1).

#370A3A color codes

HEX	`#370A3A`
RGB	`rgb(55, 10, 58)`
RGB percent	`rgb(21.6%, 3.9%, 22.7%)`
HSL	`hsl(296, 71%, 13%)`
HSV / HSB	`hsv(296, 83%, 23%)`
CMYK	`cmyk(5%, 83%, 0%, 77%)`
CIE LAB	`lab(11.52, 29.04, -19.76)`
CIE LCH	`lch(11.52, 35.13, 325.77)`
CIE XYZ	`xyz(2.448, 1.335, 4.131)`
Decimal	`3607098`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #370A3A, 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 #370A3A	Ratio	AA	AAA	AA large
Sample text	1.27:1	Fail	Fail	Fail
Sample text	16.58:1	Pass	Pass	Pass

#370A3A as text on	Ratio	AA	AAA	AA large
Sample text	16.58:1	Pass	Pass	Pass
Sample text	1.27:1	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 #370A3A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #370a3a; }
.text { color: #370a3a; }
.border { border: 2px solid #370a3a; }
.transparent { background-color: rgb(55 10 58 / 50%); }
.gradient { background: linear-gradient(to right, #370a3a, #3a0a25); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Purple.

Questions

What color is #370A3A?: #370A3A is a very dark, moderate magenta, closest to the named color Velvet Cosmos. It belongs to the black family of colors.
What is the RGB value of #370A3A?: The RGB value is 55, 10, 58: 55 red, 10 green and 58 blue on a 0 to 255 scale.
What is the complementary color of #370A3A?: The complementary color is #0D3A0A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #370A3A?: White text. Black text has a contrast ratio of 1.27:1 and white text 16.58:1. WCAG asks for at least 4.5:1 for normal text.