What color is #15181F?

#15181F is a very dark, grayish blue, closest to the named color Eigengrau. It belongs to the black family of colors.

What is the RGB value of #15181F?

The RGB value is 21, 24, 31: 21 red, 24 green and 31 blue on a 0 to 255 scale.

What is the complementary color of #15181F?

The complementary color is #1F1C15, found by rotating the hue 180° on the color wheel.

Is black or white text better on #15181F?

White text. Black text has a contrast ratio of 1.18:1 and white text 17.76:1. WCAG asks for at least 4.5:1 for normal text.

#15181F color

#15181F rgb(21, 24, 31)

Shades of black

The hex color #15181F is a very dark, grayish blue.

In the RGB color model it is made of 8.2% red, 9.4% green and 12.2% blue (21, 24, 31).

Its hue angle is 222°, with 19% saturation and 10% lightness. For print, the CMYK equivalent is 32% cyan, 23% magenta, 0% yellow and 88% black.

The closest named color is Eigengrau (#16161D), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.76:1).

#15181F color codes

HEX	`#15181F`
RGB	`rgb(21, 24, 31)`
RGB percent	`rgb(8.2%, 9.4%, 12.2%)`
HSL	`hsl(222, 19%, 10%)`
HSV / HSB	`hsv(222, 32%, 12%)`
CMYK	`cmyk(32%, 23%, 0%, 88%)`
CIE LAB	`lab(8.23, 0.67, -5.36)`
CIE LCH	`lch(8.23, 5.4, 277.09)`
CIE XYZ	`xyz(0.883, 0.912, 1.425)`
Decimal	`1382431`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #15181F, 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 #15181F	Ratio	AA	AAA	AA large
Sample text	1.18:1	Fail	Fail	Fail
Sample text	17.76:1	Pass	Pass	Pass

#15181F as text on	Ratio	AA	AAA	AA large
Sample text	17.76:1	Pass	Pass	Pass
Sample text	1.18:1	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 #15181F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #15181f; }
.text { color: #15181f; }
.border { border: 2px solid #15181f; }
.transparent { background-color: rgb(21 24 31 / 50%); }
.gradient { background: linear-gradient(to right, #15181f, #17151f); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Black.

Questions

What color is #15181F?: #15181F is a very dark, grayish blue, closest to the named color Eigengrau. It belongs to the black family of colors.
What is the RGB value of #15181F?: The RGB value is 21, 24, 31: 21 red, 24 green and 31 blue on a 0 to 255 scale.
What is the complementary color of #15181F?: The complementary color is #1F1C15, found by rotating the hue 180° on the color wheel.
Is black or white text better on #15181F?: White text. Black text has a contrast ratio of 1.18:1 and white text 17.76:1. WCAG asks for at least 4.5:1 for normal text.