What color is #000A5A?

#000A5A is a very dark, vivid blue, closest to the named color Ravenclaw. It belongs to the black family of colors.

What is the RGB value of #000A5A?

The RGB value is 0, 10, 90: 0 red, 10 green and 90 blue on a 0 to 255 scale.

What is the complementary color of #000A5A?

The complementary color is #5A5000, found by rotating the hue 180° on the color wheel.

Is black or white text better on #000A5A?

White text. Black text has a contrast ratio of 1.19:1 and white text 17.63:1. WCAG asks for at least 4.5:1 for normal text.

#000A5A color

#000A5A rgb(0, 10, 90)

Shades of black

The hex color #000A5A is a very dark, vivid blue.

In the RGB color model it is made of 0% red, 3.9% green and 35.3% blue (0, 10, 90).

Its hue angle is 233°, with 100% saturation and 18% lightness. For print, the CMYK equivalent is 100% cyan, 89% magenta, 0% yellow and 65% black.

The closest named color is Ravenclaw (#0A0555), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.63:1).

#000A5A color codes

HEX	`#000A5A`
RGB	`rgb(0, 10, 90)`
RGB percent	`rgb(0%, 3.9%, 35.3%)`
HSL	`hsl(233, 100%, 18%)`
HSV / HSB	`hsv(233, 100%, 35%)`
CMYK	`cmyk(100%, 89%, 0%, 65%)`
CIE LAB	`lab(8.61, 30.88, -47.05)`
CIE LCH	`lch(8.61, 56.28, 303.27)`
CIE XYZ	`xyz(1.953, 0.955, 9.752)`
Decimal	`2650`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #000A5A, 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 #000A5A	Ratio	AA	AAA	AA large
Sample text	1.19:1	Fail	Fail	Fail
Sample text	17.63:1	Pass	Pass	Pass

#000A5A as text on	Ratio	AA	AAA	AA large
Sample text	17.63:1	Pass	Pass	Pass
Sample text	1.19:1	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 #000A5A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #000a5a; }
.text { color: #000a5a; }
.border { border: 2px solid #000a5a; }
.transparent { background-color: rgb(0 10 90 / 50%); }
.gradient { background: linear-gradient(to right, #000a5a, #23005a); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Blue.

Questions

What color is #000A5A?: #000A5A is a very dark, vivid blue, closest to the named color Ravenclaw. It belongs to the black family of colors.
What is the RGB value of #000A5A?: The RGB value is 0, 10, 90: 0 red, 10 green and 90 blue on a 0 to 255 scale.
What is the complementary color of #000A5A?: The complementary color is #5A5000, found by rotating the hue 180° on the color wheel.
Is black or white text better on #000A5A?: White text. Black text has a contrast ratio of 1.19:1 and white text 17.63:1. WCAG asks for at least 4.5:1 for normal text.