What color is #0A1021?

#0A1021 is a very dark, moderate blue, closest to the named color Corbeau. It belongs to the black family of colors.

What is the RGB value of #0A1021?

The RGB value is 10, 16, 33: 10 red, 16 green and 33 blue on a 0 to 255 scale.

What is the complementary color of #0A1021?

The complementary color is #211B0A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A1021?

White text. Black text has a contrast ratio of 1.11:1 and white text 18.94:1. WCAG asks for at least 4.5:1 for normal text.

#0A1021 color

#0A1021 rgb(10, 16, 33)

Shades of black

The hex color #0A1021 is a very dark, moderate blue.

In the RGB color model it is made of 3.9% red, 6.3% green and 12.9% blue (10, 16, 33).

Its hue angle is 224°, with 53% saturation and 8% lightness. For print, the CMYK equivalent is 70% cyan, 52% magenta, 0% yellow and 87% black.

The closest named color is Corbeau (#111122), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 18.94:1).

#0A1021 color codes

HEX	`#0A1021`
RGB	`rgb(10, 16, 33)`
RGB percent	`rgb(3.9%, 6.3%, 12.9%)`
HSL	`hsl(224, 53%, 8%)`
HSV / HSB	`hsv(224, 70%, 13%)`
CMYK	`cmyk(70%, 52%, 0%, 87%)`
CIE LAB	`lab(4.92, 2.74, -12.01)`
CIE LCH	`lch(4.92, 12.32, 282.87)`
CIE XYZ	`xyz(0.585, 0.545, 1.513)`
Decimal	`659489`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A1021, 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 #0A1021	Ratio	AA	AAA	AA large
Sample text	1.11:1	Fail	Fail	Fail
Sample text	18.94:1	Pass	Pass	Pass

#0A1021 as text on	Ratio	AA	AAA	AA large
Sample text	18.94:1	Pass	Pass	Pass
Sample text	1.11:1	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 #0A1021 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a1021; }
.text { color: #0a1021; }
.border { border: 2px solid #0a1021; }
.transparent { background-color: rgb(10 16 33 / 50%); }
.gradient { background: linear-gradient(to right, #0a1021, #0f0a21); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #0A1021?: #0A1021 is a very dark, moderate blue, closest to the named color Corbeau. It belongs to the black family of colors.
What is the RGB value of #0A1021?: The RGB value is 10, 16, 33: 10 red, 16 green and 33 blue on a 0 to 255 scale.
What is the complementary color of #0A1021?: The complementary color is #211B0A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A1021?: White text. Black text has a contrast ratio of 1.11:1 and white text 18.94:1. WCAG asks for at least 4.5:1 for normal text.