What color is #37315A?

#37315A is a dark, desaturated blue, closest to the named color Purple Noir. It belongs to the blue family of colors.

What is the RGB value of #37315A?

The RGB value is 55, 49, 90: 55 red, 49 green and 90 blue on a 0 to 255 scale.

What is the complementary color of #37315A?

The complementary color is #545A31, found by rotating the hue 180° on the color wheel.

Is black or white text better on #37315A?

White text. Black text has a contrast ratio of 1.75:1 and white text 12:1. WCAG asks for at least 4.5:1 for normal text.

#37315A color

#37315A rgb(55, 49, 90)

Shades of blue

The hex color #37315A is a dark, desaturated blue.

In the RGB color model it is made of 21.6% red, 19.2% green and 35.3% blue (55, 49, 90).

Its hue angle is 249°, with 29% saturation and 27% lightness. For print, the CMYK equivalent is 39% cyan, 46% magenta, 0% yellow and 65% black.

The closest named color is Purple Noir (#322C56), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12:1).

#37315A color codes

HEX	`#37315A`
RGB	`rgb(55, 49, 90)`
RGB percent	`rgb(21.6%, 19.2%, 35.3%)`
HSL	`hsl(249, 29%, 27%)`
HSV / HSB	`hsv(249, 46%, 35%)`
CMYK	`cmyk(39%, 46%, 0%, 65%)`
CIE LAB	`lab(22.82, 13.82, -23.78)`
CIE LCH	`lch(22.82, 27.5, 300.17)`
CIE XYZ	`xyz(4.519, 3.747, 10.156)`
Decimal	`3617114`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #37315A, 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 #37315A	Ratio	AA	AAA	AA large
Sample text	1.75:1	Fail	Fail	Fail
Sample text	12:1	Pass	Pass	Pass

#37315A as text on	Ratio	AA	AAA	AA large
Sample text	12:1	Pass	Pass	Pass
Sample text	1.75:1	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 #37315A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #37315a; }
.text { color: #37315a; }
.border { border: 2px solid #37315a; }
.transparent { background-color: rgb(55 49 90 / 50%); }
.gradient { background: linear-gradient(to right, #37315a, #4b315a); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #37315A?: #37315A is a dark, desaturated blue, closest to the named color Purple Noir. It belongs to the blue family of colors.
What is the RGB value of #37315A?: The RGB value is 55, 49, 90: 55 red, 49 green and 90 blue on a 0 to 255 scale.
What is the complementary color of #37315A?: The complementary color is #545A31, found by rotating the hue 180° on the color wheel.
Is black or white text better on #37315A?: White text. Black text has a contrast ratio of 1.75:1 and white text 12:1. WCAG asks for at least 4.5:1 for normal text.