What color is #180A09?

#180A09 is a very dark, desaturated red, closest to the named color Dark Matter. It belongs to the black family of colors.

What is the RGB value of #180A09?

The RGB value is 24, 10, 9: 24 red, 10 green and 9 blue on a 0 to 255 scale.

What is the complementary color of #180A09?

The complementary color is #091718, found by rotating the hue 180° on the color wheel.

Is black or white text better on #180A09?

White text. Black text has a contrast ratio of 1.09:1 and white text 19.33:1. WCAG asks for at least 4.5:1 for normal text.

#180A09 color

#180A09 rgb(24, 10, 9)

Shades of black

The hex color #180A09 is a very dark, desaturated red.

In the RGB color model it is made of 9.4% red, 3.9% green and 3.5% blue (24, 10, 9).

Its hue angle is 4°, with 45% saturation and 6% lightness. For print, the CMYK equivalent is 0% cyan, 58% magenta, 63% yellow and 91% black.

The closest named color is Dark Matter (#110101), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 19.33:1).

#180A09 color codes

HEX	`#180A09`
RGB	`rgb(24, 10, 9)`
RGB percent	`rgb(9.4%, 3.9%, 3.5%)`
HSL	`hsl(4, 45%, 6%)`
HSV / HSB	`hsv(4, 63%, 9%)`
CMYK	`cmyk(0%, 58%, 63%, 91%)`
CIE LAB	`lab(3.89, 5.12, 2.23)`
CIE LCH	`lch(3.89, 5.58, 23.55)`
CIE XYZ	`xyz(0.535, 0.431, 0.313)`
Decimal	`1575433`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #180A09, 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 #180A09	Ratio	AA	AAA	AA large
Sample text	1.09:1	Fail	Fail	Fail
Sample text	19.33:1	Pass	Pass	Pass

#180A09 as text on	Ratio	AA	AAA	AA large
Sample text	19.33:1	Pass	Pass	Pass
Sample text	1.09:1	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 #180A09 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #180a09; }
.text { color: #180a09; }
.border { border: 2px solid #180a09; }
.transparent { background-color: rgb(24 10 9 / 50%); }
.gradient { background: linear-gradient(to right, #180a09, #181109); }

Background

Text color

Border

Similar colors

Questions

What color is #180A09?: #180A09 is a very dark, desaturated red, closest to the named color Dark Matter. It belongs to the black family of colors.
What is the RGB value of #180A09?: The RGB value is 24, 10, 9: 24 red, 10 green and 9 blue on a 0 to 255 scale.
What is the complementary color of #180A09?: The complementary color is #091718, found by rotating the hue 180° on the color wheel.
Is black or white text better on #180A09?: White text. Black text has a contrast ratio of 1.09:1 and white text 19.33:1. WCAG asks for at least 4.5:1 for normal text.