What color is #0A1828?

#0A1828 is a very dark, moderate azure, closest to the named color The Count’s Black. It belongs to the black family of colors.

What is the RGB value of #0A1828?

The RGB value is 10, 24, 40: 10 red, 24 green and 40 blue on a 0 to 255 scale.

What is the complementary color of #0A1828?

The complementary color is #281A0A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A1828?

White text. Black text has a contrast ratio of 1.17:1 and white text 17.88:1. WCAG asks for at least 4.5:1 for normal text.

#0A1828 color

#0A1828 rgb(10, 24, 40)

Shades of black

The hex color #0A1828 is a very dark, moderate azure.

In the RGB color model it is made of 3.9% red, 9.4% green and 15.7% blue (10, 24, 40).

Its hue angle is 212°, with 60% saturation and 10% lightness. For print, the CMYK equivalent is 75% cyan, 40% magenta, 0% yellow and 84% black.

The closest named color is The Count’s Black (#102030), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.88:1).

#0A1828 color codes

HEX	`#0A1828`
RGB	`rgb(10, 24, 40)`
RGB percent	`rgb(3.9%, 9.4%, 15.7%)`
HSL	`hsl(212, 60%, 10%)`
HSV / HSB	`hsv(212, 75%, 16%)`
CMYK	`cmyk(75%, 40%, 0%, 84%)`
CIE LAB	`lab(7.87, 0.28, -12.75)`
CIE LCH	`lch(7.87, 12.75, 271.27)`
CIE XYZ	`xyz(0.835, 0.871, 2.131)`
Decimal	`661544`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A1828, 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 #0A1828	Ratio	AA	AAA	AA large
Sample text	1.17:1	Fail	Fail	Fail
Sample text	17.88:1	Pass	Pass	Pass

#0A1828 as text on	Ratio	AA	AAA	AA large
Sample text	17.88:1	Pass	Pass	Pass
Sample text	1.17:1	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 #0A1828 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a1828; }
.text { color: #0a1828; }
.border { border: 2px solid #0a1828; }
.transparent { background-color: rgb(10 24 40 / 50%); }
.gradient { background: linear-gradient(to right, #0a1828, #0b0a28); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #0A1828?: #0A1828 is a very dark, moderate azure, closest to the named color The Count’s Black. It belongs to the black family of colors.
What is the RGB value of #0A1828?: The RGB value is 10, 24, 40: 10 red, 24 green and 40 blue on a 0 to 255 scale.
What is the complementary color of #0A1828?: The complementary color is #281A0A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A1828?: White text. Black text has a contrast ratio of 1.17:1 and white text 17.88:1. WCAG asks for at least 4.5:1 for normal text.