What color is #100B17?

#100B17 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 #100B17?

The RGB value is 16, 11, 23: 16 red, 11 green and 23 blue on a 0 to 255 scale.

What is the complementary color of #100B17?

The complementary color is #12170B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #100B17?

White text. Black text has a contrast ratio of 1.08:1 and white text 19.4:1. WCAG asks for at least 4.5:1 for normal text.

#100B17 color

#100B17 rgb(16, 11, 23)

Shades of black

The hex color #100B17 is a very dark, desaturated violet.

In the RGB color model it is made of 6.3% red, 4.3% green and 9% blue (16, 11, 23).

Its hue angle is 265°, with 35% saturation and 7% lightness. For print, the CMYK equivalent is 30% cyan, 52% magenta, 0% yellow and 91% black.

The closest named color is Obsidian Shard (#060313), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 19.4:1).

#100B17 color codes

HEX	`#100B17`
RGB	`rgb(16, 11, 23)`
RGB percent	`rgb(6.3%, 4.3%, 9%)`
HSL	`hsl(265, 35%, 7%)`
HSV / HSB	`hsv(265, 52%, 9%)`
CMYK	`cmyk(30%, 52%, 0%, 91%)`
CIE LAB	`lab(3.72, 3.97, -5.95)`
CIE LCH	`lch(3.72, 7.16, 303.72)`
CIE XYZ	`xyz(0.488, 0.411, 0.864)`
Decimal	`1051415`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #100B17, 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 #100B17	Ratio	AA	AAA	AA large
Sample text	1.08:1	Fail	Fail	Fail
Sample text	19.4:1	Pass	Pass	Pass

#100B17 as text on	Ratio	AA	AAA	AA large
Sample text	19.4:1	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 #100B17 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #100b17; }
.text { color: #100b17; }
.border { border: 2px solid #100b17; }
.transparent { background-color: rgb(16 11 23 / 50%); }
.gradient { background: linear-gradient(to right, #100b17, #160b17); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Black.

Questions

What color is #100B17?: #100B17 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 #100B17?: The RGB value is 16, 11, 23: 16 red, 11 green and 23 blue on a 0 to 255 scale.
What is the complementary color of #100B17?: The complementary color is #12170B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #100B17?: White text. Black text has a contrast ratio of 1.08:1 and white text 19.4:1. WCAG asks for at least 4.5:1 for normal text.