What color is #100A1A?

#100A1A is a very dark, desaturated violet, closest to the named color Obsidian Shard. It belongs to the black family of colors.

What is the RGB value of #100A1A?

The RGB value is 16, 10, 26: 16 red, 10 green and 26 blue on a 0 to 255 scale.

What is the complementary color of #100A1A?

The complementary color is #141A0A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #100A1A?

White text. Black text has a contrast ratio of 1.08:1 and white text 19.44:1. WCAG asks for at least 4.5:1 for normal text.

#100A1A color

#100A1A rgb(16, 10, 26)

Shades of black

The hex color #100A1A is a very dark, desaturated violet.

In the RGB color model it is made of 6.3% red, 3.9% green and 10.2% blue (16, 10, 26).

Its hue angle is 263°, with 44% saturation and 7% lightness. For print, the CMYK equivalent is 38% cyan, 62% magenta, 0% yellow and 90% black.

The closest named color is Obsidian Shard (#060313), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 19.44:1).

#100A1A color codes

HEX	`#100A1A`
RGB	`rgb(16, 10, 26)`
RGB percent	`rgb(6.3%, 3.9%, 10.2%)`
HSL	`hsl(263, 44%, 7%)`
HSV / HSB	`hsv(263, 62%, 10%)`
CMYK	`cmyk(38%, 62%, 0%, 90%)`
CIE LAB	`lab(3.63, 5.19, -8.42)`
CIE LCH	`lch(3.63, 9.9, 301.64)`
CIE XYZ	`xyz(0.509, 0.402, 1.028)`
Decimal	`1051162`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #100A1A, 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 #100A1A	Ratio	AA	AAA	AA large
Sample text	1.08:1	Fail	Fail	Fail
Sample text	19.44:1	Pass	Pass	Pass

#100A1A as text on	Ratio	AA	AAA	AA large
Sample text	19.44:1	Pass	Pass	Pass
Sample text	1.08:1	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 #100A1A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #100a1a; }
.text { color: #100a1a; }
.border { border: 2px solid #100a1a; }
.transparent { background-color: rgb(16 10 26 / 50%); }
.gradient { background: linear-gradient(to right, #100a1a, #180a1a); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Black.

Questions

What color is #100A1A?: #100A1A is a very dark, desaturated violet, closest to the named color Obsidian Shard. It belongs to the black family of colors.
What is the RGB value of #100A1A?: The RGB value is 16, 10, 26: 16 red, 10 green and 26 blue on a 0 to 255 scale.
What is the complementary color of #100A1A?: The complementary color is #141A0A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #100A1A?: White text. Black text has a contrast ratio of 1.08:1 and white text 19.44:1. WCAG asks for at least 4.5:1 for normal text.