What color is #15181D?

#15181D is a very dark, grayish azure, closest to the named color Piano Black. It belongs to the black family of colors.

What is the RGB value of #15181D?

The RGB value is 21, 24, 29: 21 red, 24 green and 29 blue on a 0 to 255 scale.

What is the complementary color of #15181D?

The complementary color is #1D1A15, found by rotating the hue 180° on the color wheel.

Is black or white text better on #15181D?

White text. Black text has a contrast ratio of 1.18:1 and white text 17.79:1. WCAG asks for at least 4.5:1 for normal text.

#15181D color

#15181D rgb(21, 24, 29)

Shades of black

The hex color #15181D is a very dark, grayish azure.

In the RGB color model it is made of 8.2% red, 9.4% green and 11.4% blue (21, 24, 29).

Its hue angle is 218°, with 16% saturation and 10% lightness. For print, the CMYK equivalent is 28% cyan, 17% magenta, 0% yellow and 89% black.

The closest named color is Piano Black (#17171A), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.79:1).

#15181D color codes

HEX	`#15181D`
RGB	`rgb(21, 24, 29)`
RGB percent	`rgb(8.2%, 9.4%, 11.4%)`
HSL	`hsl(218, 16%, 10%)`
HSV / HSB	`hsv(218, 28%, 11%)`
CMYK	`cmyk(28%, 17%, 0%, 89%)`
CIE LAB	`lab(8.14, 0.04, -3.98)`
CIE LCH	`lch(8.14, 3.98, 270.51)`
CIE XYZ	`xyz(0.858, 0.901, 1.291)`
Decimal	`1382429`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #15181D, 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 #15181D	Ratio	AA	AAA	AA large
Sample text	1.18:1	Fail	Fail	Fail
Sample text	17.79:1	Pass	Pass	Pass

#15181D as text on	Ratio	AA	AAA	AA large
Sample text	17.79:1	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 #15181D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #15181d; }
.text { color: #15181d; }
.border { border: 2px solid #15181d; }
.transparent { background-color: rgb(21 24 29 / 50%); }
.gradient { background: linear-gradient(to right, #15181d, #16151d); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Black.

Questions

What color is #15181D?: #15181D is a very dark, grayish azure, closest to the named color Piano Black. It belongs to the black family of colors.
What is the RGB value of #15181D?: The RGB value is 21, 24, 29: 21 red, 24 green and 29 blue on a 0 to 255 scale.
What is the complementary color of #15181D?: The complementary color is #1D1A15, found by rotating the hue 180° on the color wheel.
Is black or white text better on #15181D?: White text. Black text has a contrast ratio of 1.18:1 and white text 17.79:1. WCAG asks for at least 4.5:1 for normal text.