What color is #37404E?

#37404E is a dark, grayish azure, closest to the named color Inkblot. It belongs to the gray family of colors.

What is the RGB value of #37404E?

The RGB value is 55, 64, 78: 55 red, 64 green and 78 blue on a 0 to 255 scale.

What is the complementary color of #37404E?

The complementary color is #4E4537, found by rotating the hue 180° on the color wheel.

Is black or white text better on #37404E?

White text. Black text has a contrast ratio of 2.01:1 and white text 10.47:1. WCAG asks for at least 4.5:1 for normal text.

#37404E color

#37404E rgb(55, 64, 78)

Shades of gray

The hex color #37404E is a dark, grayish azure.

In the RGB color model it is made of 21.6% red, 25.1% green and 30.6% blue (55, 64, 78).

Its hue angle is 217°, with 17% saturation and 26% lightness. For print, the CMYK equivalent is 29% cyan, 18% magenta, 0% yellow and 69% black.

The closest named color is Inkblot (#393F4B), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.47:1).

#37404E color codes

HEX	`#37404E`
RGB	`rgb(55, 64, 78)`
RGB percent	`rgb(21.6%, 25.1%, 30.6%)`
HSL	`hsl(217, 17%, 26%)`
HSV / HSB	`hsv(217, 29%, 31%)`
CMYK	`cmyk(29%, 18%, 0%, 69%)`
CIE LAB	`lab(26.82, 0.05, -9.68)`
CIE LCH	`lch(26.82, 9.68, 270.29)`
CIE XYZ	`xyz(4.784, 5.029, 7.925)`
Decimal	`3620942`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #37404E, 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 #37404E	Ratio	AA	AAA	AA large
Sample text	2.01:1	Fail	Fail	Fail
Sample text	10.47:1	Pass	Pass	Pass

#37404E as text on	Ratio	AA	AAA	AA large
Sample text	10.47:1	Pass	Pass	Pass
Sample text	2.01:1	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 #37404E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #37404e; }
.text { color: #37404e; }
.border { border: 2px solid #37404e; }
.transparent { background-color: rgb(55 64 78 / 50%); }
.gradient { background: linear-gradient(to right, #37404e, #39374e); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #37404E?: #37404E is a dark, grayish azure, closest to the named color Inkblot. It belongs to the gray family of colors.
What is the RGB value of #37404E?: The RGB value is 55, 64, 78: 55 red, 64 green and 78 blue on a 0 to 255 scale.
What is the complementary color of #37404E?: The complementary color is #4E4537, found by rotating the hue 180° on the color wheel.
Is black or white text better on #37404E?: White text. Black text has a contrast ratio of 2.01:1 and white text 10.47:1. WCAG asks for at least 4.5:1 for normal text.