What color is #51008A?

#51008A is a dark, vivid violet, closest to the named color Indigo Static. It belongs to the purple family of colors.

What is the RGB value of #51008A?

The RGB value is 81, 0, 138: 81 red, 0 green and 138 blue on a 0 to 255 scale.

What is the complementary color of #51008A?

The complementary color is #398A00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51008A?

White text. Black text has a contrast ratio of 1.72:1 and white text 12.23:1. WCAG asks for at least 4.5:1 for normal text.

#51008A color

#51008A rgb(81, 0, 138)

Shades of purple

The hex color #51008A is a dark, vivid violet.

In the RGB color model it is made of 31.8% red, 0% green and 54.1% blue (81, 0, 138).

Its hue angle is 275°, with 100% saturation and 27% lightness. For print, the CMYK equivalent is 41% cyan, 100% magenta, 0% yellow and 46% black.

The closest named color is Indigo Static (#4B0183), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.23:1).

#51008A color codes

HEX	`#51008A`
RGB	`rgb(81, 0, 138)`
RGB percent	`rgb(31.8%, 0%, 54.1%)`
HSL	`hsl(275, 100%, 27%)`
HSV / HSB	`hsv(275, 100%, 54%)`
CMYK	`cmyk(41%, 100%, 0%, 46%)`
CIE LAB	`lab(22.25, 54.08, -55.39)`
CIE LCH	`lch(22.25, 77.41, 314.31)`
CIE XYZ	`xyz(7.98, 3.584, 24.311)`
Decimal	`5308554`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51008A, 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 #51008A	Ratio	AA	AAA	AA large
Sample text	1.72:1	Fail	Fail	Fail
Sample text	12.23:1	Pass	Pass	Pass

#51008A as text on	Ratio	AA	AAA	AA large
Sample text	12.23:1	Pass	Pass	Pass
Sample text	1.72:1	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 #51008A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51008a; }
.text { color: #51008a; }
.border { border: 2px solid #51008a; }
.transparent { background-color: rgb(81 0 138 / 50%); }
.gradient { background: linear-gradient(to right, #51008a, #8a007e); }

Background

Text color

Border

Similar colors

Questions

What color is #51008A?: #51008A is a dark, vivid violet, closest to the named color Indigo Static. It belongs to the purple family of colors.
What is the RGB value of #51008A?: The RGB value is 81, 0, 138: 81 red, 0 green and 138 blue on a 0 to 255 scale.
What is the complementary color of #51008A?: The complementary color is #398A00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51008A?: White text. Black text has a contrast ratio of 1.72:1 and white text 12.23:1. WCAG asks for at least 4.5:1 for normal text.