What color is #0A1F2A?

#0A1F2A is a very dark, moderate azure, closest to the named color Midnight Dreams. It belongs to the black family of colors.

What is the RGB value of #0A1F2A?

The RGB value is 10, 31, 42: 10 red, 31 green and 42 blue on a 0 to 255 scale.

What is the complementary color of #0A1F2A?

The complementary color is #2A150A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A1F2A?

White text. Black text has a contrast ratio of 1.24:1 and white text 16.9:1. WCAG asks for at least 4.5:1 for normal text.

#0A1F2A color

#0A1F2A rgb(10, 31, 42)

Shades of black

The hex color #0A1F2A is a very dark, moderate azure.

In the RGB color model it is made of 3.9% red, 12.2% green and 16.5% blue (10, 31, 42).

Its hue angle is 201°, with 62% saturation and 10% lightness. For print, the CMYK equivalent is 76% cyan, 26% magenta, 0% yellow and 84% black.

The closest named color is Midnight Dreams (#002233), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.9:1).

#0A1F2A color codes

HEX	`#0A1F2A`
RGB	`rgb(10, 31, 42)`
RGB percent	`rgb(3.9%, 12.2%, 16.5%)`
HSL	`hsl(201, 62%, 10%)`
HSV / HSB	`hsv(201, 76%, 16%)`
CMYK	`cmyk(76%, 26%, 0%, 84%)`
CIE LAB	`lab(10.64, -4.09, -9.9)`
CIE LCH	`lch(10.64, 10.71, 247.57)`
CIE XYZ	`xyz(1.033, 1.212, 2.369)`
Decimal	`663338`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A1F2A, 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 #0A1F2A	Ratio	AA	AAA	AA large
Sample text	1.24:1	Fail	Fail	Fail
Sample text	16.9:1	Pass	Pass	Pass

#0A1F2A as text on	Ratio	AA	AAA	AA large
Sample text	16.9:1	Pass	Pass	Pass
Sample text	1.24:1	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 #0A1F2A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a1f2a; }
.text { color: #0a1f2a; }
.border { border: 2px solid #0a1f2a; }
.transparent { background-color: rgb(10 31 42 / 50%); }
.gradient { background: linear-gradient(to right, #0a1f2a, #0a0f2a); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #0A1F2A?: #0A1F2A is a very dark, moderate azure, closest to the named color Midnight Dreams. It belongs to the black family of colors.
What is the RGB value of #0A1F2A?: The RGB value is 10, 31, 42: 10 red, 31 green and 42 blue on a 0 to 255 scale.
What is the complementary color of #0A1F2A?: The complementary color is #2A150A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A1F2A?: White text. Black text has a contrast ratio of 1.24:1 and white text 16.9:1. WCAG asks for at least 4.5:1 for normal text.