What color is #510A13?

#510A13 is a very dark, moderate red, closest to the named color Oxblood. It belongs to the red family of colors.

What is the RGB value of #510A13?

The RGB value is 81, 10, 19: 81 red, 10 green and 19 blue on a 0 to 255 scale.

What is the complementary color of #510A13?

The complementary color is #0A5148, found by rotating the hue 180° on the color wheel.

Is black or white text better on #510A13?

White text. Black text has a contrast ratio of 1.4:1 and white text 14.97:1. WCAG asks for at least 4.5:1 for normal text.

#510A13 color

#510A13 rgb(81, 10, 19)

Shades of red

The hex color #510A13 is a very dark, moderate red.

In the RGB color model it is made of 31.8% red, 3.9% green and 7.5% blue (81, 10, 19).

Its hue angle is 352°, with 78% saturation and 18% lightness. For print, the CMYK equivalent is 0% cyan, 88% magenta, 77% yellow and 68% black.

The closest named color is Oxblood (#4A0000), a difference of 3.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.97:1).

#510A13 color codes

HEX	`#510A13`
RGB	`rgb(81, 10, 19)`
RGB percent	`rgb(31.8%, 3.9%, 7.5%)`
HSL	`hsl(352, 78%, 18%)`
HSV / HSB	`hsv(352, 88%, 32%)`
CMYK	`cmyk(0%, 88%, 77%, 68%)`
CIE LAB	`lab(15.56, 32.19, 15.18)`
CIE LCH	`lch(15.56, 35.59, 25.26)`
CIE XYZ	`xyz(3.62, 2.014, 0.814)`
Decimal	`5310995`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #510A13, 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 #510A13	Ratio	AA	AAA	AA large
Sample text	1.4:1	Fail	Fail	Fail
Sample text	14.97:1	Pass	Pass	Pass

#510A13 as text on	Ratio	AA	AAA	AA large
Sample text	14.97:1	Pass	Pass	Pass
Sample text	1.4:1	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 #510A13 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #510a13; }
.text { color: #510a13; }
.border { border: 2px solid #510a13; }
.transparent { background-color: rgb(81 10 19 / 50%); }
.gradient { background: linear-gradient(to right, #510a13, #51250a); }

Background

Text color

Border

Similar colors

Questions

What color is #510A13?: #510A13 is a very dark, moderate red, closest to the named color Oxblood. It belongs to the red family of colors.
What is the RGB value of #510A13?: The RGB value is 81, 10, 19: 81 red, 10 green and 19 blue on a 0 to 255 scale.
What is the complementary color of #510A13?: The complementary color is #0A5148, found by rotating the hue 180° on the color wheel.
Is black or white text better on #510A13?: White text. Black text has a contrast ratio of 1.4:1 and white text 14.97:1. WCAG asks for at least 4.5:1 for normal text.