What color is #100A0A?

#100A0A is a very dark, grayish red, closest to the named color Knight Rider. It belongs to the black family of colors.

What is the RGB value of #100A0A?

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

What is the complementary color of #100A0A?

The complementary color is #0A1010, found by rotating the hue 180° on the color wheel.

Is black or white text better on #100A0A?

White text. Black text has a contrast ratio of 1.07:1 and white text 19.63:1. WCAG asks for at least 4.5:1 for normal text.

#100A0A color

#100A0A rgb(16, 10, 10)

Shades of black

The hex color #100A0A is a very dark, grayish red.

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

Its hue angle is 0°, with 23% saturation and 5% lightness. For print, the CMYK equivalent is 0% cyan, 38% magenta, 38% yellow and 94% black.

The closest named color is Knight Rider (#0F0707), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 19.63:1).

#100A0A color codes

HEX	`#100A0A`
RGB	`rgb(16, 10, 10)`
RGB percent	`rgb(6.3%, 3.9%, 3.9%)`
HSL	`hsl(0, 23%, 5%)`
HSV / HSB	`hsv(0, 38%, 6%)`
CMYK	`cmyk(0%, 38%, 38%, 94%)`
CIE LAB	`lab(3.15, 1.85, 0.65)`
CIE LCH	`lch(3.15, 1.96, 19.41)`
CIE XYZ	`xyz(0.377, 0.349, 0.335)`
Decimal	`1051146`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #100A0A, 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 #100A0A	Ratio	AA	AAA	AA large
Sample text	1.07:1	Fail	Fail	Fail
Sample text	19.63:1	Pass	Pass	Pass

#100A0A as text on	Ratio	AA	AAA	AA large
Sample text	19.63:1	Pass	Pass	Pass
Sample text	1.07:1	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 #100A0A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #100a0a; }
.text { color: #100a0a; }
.border { border: 2px solid #100a0a; }
.transparent { background-color: rgb(16 10 10 / 50%); }
.gradient { background: linear-gradient(to right, #100a0a, #100d0a); }

Background

Text color

Border

Similar colors

Questions

What color is #100A0A?: #100A0A is a very dark, grayish red, closest to the named color Knight Rider. It belongs to the black family of colors.
What is the RGB value of #100A0A?: The RGB value is 16, 10, 10: 16 red, 10 green and 10 blue on a 0 to 255 scale.
What is the complementary color of #100A0A?: The complementary color is #0A1010, found by rotating the hue 180° on the color wheel.
Is black or white text better on #100A0A?: White text. Black text has a contrast ratio of 1.07:1 and white text 19.63:1. WCAG asks for at least 4.5:1 for normal text.