What color is #1F3737?

#1F3737 is a very dark, desaturated cyan, closest to the named color Elite Teal. It belongs to the gray family of colors.

What is the RGB value of #1F3737?

The RGB value is 31, 55, 55: 31 red, 55 green and 55 blue on a 0 to 255 scale.

What is the complementary color of #1F3737?

The complementary color is #371F1F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F3737?

White text. Black text has a contrast ratio of 1.66:1 and white text 12.65:1. WCAG asks for at least 4.5:1 for normal text.

#1F3737 color

#1F3737 rgb(31, 55, 55)

Shades of gray

The hex color #1F3737 is a very dark, desaturated cyan.

In the RGB color model it is made of 12.2% red, 21.6% green and 21.6% blue (31, 55, 55).

Its hue angle is 180°, with 28% saturation and 17% lightness. For print, the CMYK equivalent is 44% cyan, 0% magenta, 0% yellow and 78% black.

The closest named color is Elite Teal (#133337), a difference of 2.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.65:1).

#1F3737 color codes

HEX	`#1F3737`
RGB	`rgb(31, 55, 55)`
RGB percent	`rgb(12.2%, 21.6%, 21.6%)`
HSL	`hsl(180, 28%, 17%)`
HSV / HSB	`hsv(180, 44%, 22%)`
CMYK	`cmyk(44%, 0%, 0%, 78%)`
CIE LAB	`lab(21.2, -9.31, -2.96)`
CIE LCH	`lch(21.2, 9.77, 197.61)`
CIE XYZ	`xyz(2.621, 3.299, 4.112)`
Decimal	`2045751`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F3737, 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 #1F3737	Ratio	AA	AAA	AA large
Sample text	1.66:1	Fail	Fail	Fail
Sample text	12.65:1	Pass	Pass	Pass

#1F3737 as text on	Ratio	AA	AAA	AA large
Sample text	12.65:1	Pass	Pass	Pass
Sample text	1.66:1	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 #1F3737 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f3737; }
.text { color: #1f3737; }
.border { border: 2px solid #1f3737; }
.transparent { background-color: rgb(31 55 55 / 50%); }
.gradient { background: linear-gradient(to right, #1f3737, #1f2b37); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #1F3737?: #1F3737 is a very dark, desaturated cyan, closest to the named color Elite Teal. It belongs to the gray family of colors.
What is the RGB value of #1F3737?: The RGB value is 31, 55, 55: 31 red, 55 green and 55 blue on a 0 to 255 scale.
What is the complementary color of #1F3737?: The complementary color is #371F1F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F3737?: White text. Black text has a contrast ratio of 1.66:1 and white text 12.65:1. WCAG asks for at least 4.5:1 for normal text.