What color is #040051?

#040051 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 #040051?

The RGB value is 4, 0, 81: 4 red, 0 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #040051?

The complementary color is #4D5100, found by rotating the hue 180° on the color wheel.

Is black or white text better on #040051?

White text. Black text has a contrast ratio of 1.12:1 and white text 18.68:1. WCAG asks for at least 4.5:1 for normal text.

#040051 color

#040051 rgb(4, 0, 81)

Shades of black

The hex color #040051 is a very dark, vivid blue.

In the RGB color model it is made of 1.6% red, 0% green and 31.8% blue (4, 0, 81).

Its hue angle is 243°, with 100% saturation and 16% lightness. For print, the CMYK equivalent is 95% cyan, 100% magenta, 0% yellow and 68% black.

The closest named color is Ravenclaw (#0A0555), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 18.68:1).

#040051 color codes

HEX	`#040051`
RGB	`rgb(4, 0, 81)`
RGB percent	`rgb(1.6%, 0%, 31.8%)`
HSL	`hsl(243, 100%, 16%)`
HSV / HSB	`hsv(243, 100%, 32%)`
CMYK	`cmyk(95%, 100%, 0%, 68%)`
CIE LAB	`lab(5.6, 33.28, -45.9)`
CIE LCH	`lch(5.6, 56.7, 305.95)`
CIE XYZ	`xyz(1.535, 0.62, 7.822)`
Decimal	`262225`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #040051, 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 #040051	Ratio	AA	AAA	AA large
Sample text	1.12:1	Fail	Fail	Fail
Sample text	18.68:1	Pass	Pass	Pass

#040051 as text on	Ratio	AA	AAA	AA large
Sample text	18.68:1	Pass	Pass	Pass
Sample text	1.12:1	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 #040051 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #040051; }
.text { color: #040051; }
.border { border: 2px solid #040051; }
.transparent { background-color: rgb(4 0 81 / 50%); }
.gradient { background: linear-gradient(to right, #040051, #2d0051); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Blue.

Questions

What color is #040051?: #040051 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 #040051?: The RGB value is 4, 0, 81: 4 red, 0 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #040051?: The complementary color is #4D5100, found by rotating the hue 180° on the color wheel.
Is black or white text better on #040051?: White text. Black text has a contrast ratio of 1.12:1 and white text 18.68:1. WCAG asks for at least 4.5:1 for normal text.