What color is #181D1F?

#181D1F is a very dark, grayish azure, closest to the named color Satin Deep Black. It belongs to the black family of colors.

What is the RGB value of #181D1F?

The RGB value is 24, 29, 31: 24 red, 29 green and 31 blue on a 0 to 255 scale.

What is the complementary color of #181D1F?

The complementary color is #1F1A18, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181D1F?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.01:1. WCAG asks for at least 4.5:1 for normal text.

#181D1F color

#181D1F rgb(24, 29, 31)

Shades of black

The hex color #181D1F is a very dark, grayish azure.

In the RGB color model it is made of 9.4% red, 11.4% green and 12.2% blue (24, 29, 31).

Its hue angle is 197°, with 13% saturation and 11% lightness. For print, the CMYK equivalent is 23% cyan, 6% magenta, 0% yellow and 88% black.

The closest named color is Satin Deep Black (#1C1E21), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.01:1).

#181D1F color codes

HEX	`#181D1F`
RGB	`rgb(24, 29, 31)`
RGB percent	`rgb(9.4%, 11.4%, 12.2%)`
HSL	`hsl(197, 13%, 11%)`
HSV / HSB	`hsv(197, 23%, 12%)`
CMYK	`cmyk(23%, 6%, 0%, 88%)`
CIE LAB	`lab(10.35, -1.74, -2.15)`
CIE LCH	`lch(10.35, 2.77, 231.05)`
CIE XYZ	`xyz(1.063, 1.172, 1.466)`
Decimal	`1580319`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181D1F, 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 #181D1F	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.01:1	Pass	Pass	Pass

#181D1F as text on	Ratio	AA	AAA	AA large
Sample text	17.01:1	Pass	Pass	Pass
Sample text	1.23:1	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 #181D1F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181d1f; }
.text { color: #181d1f; }
.border { border: 2px solid #181d1f; }
.transparent { background-color: rgb(24 29 31 / 50%); }
.gradient { background: linear-gradient(to right, #181d1f, #181a1f); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #181D1F?: #181D1F is a very dark, grayish azure, closest to the named color Satin Deep Black. It belongs to the black family of colors.
What is the RGB value of #181D1F?: The RGB value is 24, 29, 31: 24 red, 29 green and 31 blue on a 0 to 255 scale.
What is the complementary color of #181D1F?: The complementary color is #1F1A18, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181D1F?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.01:1. WCAG asks for at least 4.5:1 for normal text.