What color is #511B1B?

#511B1B is a dark, desaturated red, closest to the named color English Breakfast. It belongs to the red family of colors.

What is the RGB value of #511B1B?

The RGB value is 81, 27, 27: 81 red, 27 green and 27 blue on a 0 to 255 scale.

What is the complementary color of #511B1B?

The complementary color is #1B5151, found by rotating the hue 180° on the color wheel.

Is black or white text better on #511B1B?

White text. Black text has a contrast ratio of 1.52:1 and white text 13.79:1. WCAG asks for at least 4.5:1 for normal text.

#511B1B color

#511B1B rgb(81, 27, 27)

Shades of red

The hex color #511B1B is a dark, desaturated red.

In the RGB color model it is made of 31.8% red, 10.6% green and 10.6% blue (81, 27, 27).

Its hue angle is 0°, with 50% saturation and 21% lightness. For print, the CMYK equivalent is 0% cyan, 67% magenta, 67% yellow and 68% black.

The closest named color is English Breakfast (#441111), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.79:1).

#511B1B color codes

HEX	`#511B1B`
RGB	`rgb(81, 27, 27)`
RGB percent	`rgb(31.8%, 10.6%, 10.6%)`
HSL	`hsl(0, 50%, 21%)`
HSV / HSB	`hsv(0, 67%, 32%)`
CMYK	`cmyk(0%, 67%, 67%, 68%)`
CIE LAB	`lab(18.42, 25.31, 13.27)`
CIE LCH	`lch(18.42, 28.58, 27.67)`
CIE XYZ	`xyz(3.983, 2.613, 1.331)`
Decimal	`5315355`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #511B1B, 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 #511B1B	Ratio	AA	AAA	AA large
Sample text	1.52:1	Fail	Fail	Fail
Sample text	13.79:1	Pass	Pass	Pass

#511B1B as text on	Ratio	AA	AAA	AA large
Sample text	13.79:1	Pass	Pass	Pass
Sample text	1.52:1	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 #511B1B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #511b1b; }
.text { color: #511b1b; }
.border { border: 2px solid #511b1b; }
.transparent { background-color: rgb(81 27 27 / 50%); }
.gradient { background: linear-gradient(to right, #511b1b, #51361b); }

Background

Text color

Border

Similar colors

Closest common color name: Oxblood.

Questions

What color is #511B1B?: #511B1B is a dark, desaturated red, closest to the named color English Breakfast. It belongs to the red family of colors.
What is the RGB value of #511B1B?: The RGB value is 81, 27, 27: 81 red, 27 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #511B1B?: The complementary color is #1B5151, found by rotating the hue 180° on the color wheel.
Is black or white text better on #511B1B?: White text. Black text has a contrast ratio of 1.52:1 and white text 13.79:1. WCAG asks for at least 4.5:1 for normal text.