What color is #1F2D37?

#1F2D37 is a very dark, desaturated azure, closest to the named color Oceanic Noir. It belongs to the black family of colors.

What is the RGB value of #1F2D37?

The RGB value is 31, 45, 55: 31 red, 45 green and 55 blue on a 0 to 255 scale.

What is the complementary color of #1F2D37?

The complementary color is #37291F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F2D37?

White text. Black text has a contrast ratio of 1.49:1 and white text 14.11:1. WCAG asks for at least 4.5:1 for normal text.

#1F2D37 color

#1F2D37 rgb(31, 45, 55)

Shades of black

The hex color #1F2D37 is a very dark, desaturated azure.

In the RGB color model it is made of 12.2% red, 17.6% green and 21.6% blue (31, 45, 55).

Its hue angle is 205°, with 28% saturation and 17% lightness. For print, the CMYK equivalent is 44% cyan, 18% magenta, 0% yellow and 78% black.

The closest named color is Oceanic Noir (#172B36), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.11:1).

#1F2D37 color codes

HEX	`#1F2D37`
RGB	`rgb(31, 45, 55)`
RGB percent	`rgb(12.2%, 17.6%, 21.6%)`
HSL	`hsl(205, 28%, 17%)`
HSV / HSB	`hsv(205, 44%, 22%)`
CMYK	`cmyk(44%, 18%, 0%, 78%)`
CIE LAB	`lab(17.66, -2.76, -8.28)`
CIE LCH	`lch(17.66, 8.73, 251.58)`
CIE XYZ	`xyz(2.193, 2.444, 3.97)`
Decimal	`2043191`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F2D37, 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 #1F2D37	Ratio	AA	AAA	AA large
Sample text	1.49:1	Fail	Fail	Fail
Sample text	14.11:1	Pass	Pass	Pass

#1F2D37 as text on	Ratio	AA	AAA	AA large
Sample text	14.11:1	Pass	Pass	Pass
Sample text	1.49:1	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 #1F2D37 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f2d37; }
.text { color: #1f2d37; }
.border { border: 2px solid #1f2d37; }
.transparent { background-color: rgb(31 45 55 / 50%); }
.gradient { background: linear-gradient(to right, #1f2d37, #1f2137); }

Background

Text color

Border

Similar colors

Questions

What color is #1F2D37?: #1F2D37 is a very dark, desaturated azure, closest to the named color Oceanic Noir. It belongs to the black family of colors.
What is the RGB value of #1F2D37?: The RGB value is 31, 45, 55: 31 red, 45 green and 55 blue on a 0 to 255 scale.
What is the complementary color of #1F2D37?: The complementary color is #37291F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F2D37?: White text. Black text has a contrast ratio of 1.49:1 and white text 14.11:1. WCAG asks for at least 4.5:1 for normal text.