What color is #663830?

#663830 is a dark, desaturated red, closest to the named color Hairy Heath. It belongs to the brown family of colors.

What is the RGB value of #663830?

The RGB value is 102, 56, 48: 102 red, 56 green and 48 blue on a 0 to 255 scale.

What is the complementary color of #663830?

The complementary color is #305E66, found by rotating the hue 180° on the color wheel.

Is black or white text better on #663830?

White text. Black text has a contrast ratio of 2.17:1 and white text 9.66:1. WCAG asks for at least 4.5:1 for normal text.

#663830 color

#663830 rgb(102, 56, 48)

Shades of brown

The hex color #663830 is a dark, desaturated red.

In the RGB color model it is made of 40% red, 22% green and 18.8% blue (102, 56, 48).

Its hue angle is 9°, with 36% saturation and 29% lightness. For print, the CMYK equivalent is 0% cyan, 45% magenta, 53% yellow and 60% black.

The closest named color is Hairy Heath (#633528), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 9.66:1).

#663830 color codes

HEX	`#663830`
RGB	`rgb(102, 56, 48)`
RGB percent	`rgb(40%, 22%, 18.8%)`
HSL	`hsl(9, 36%, 29%)`
HSV / HSB	`hsv(9, 53%, 40%)`
CMYK	`cmyk(0%, 45%, 53%, 60%)`
CIE LAB	`lab(29.08, 19.48, 13.9)`
CIE LCH	`lch(29.08, 23.93, 35.51)`
CIE XYZ	`xyz(7.428, 5.867, 3.537)`
Decimal	`6699056`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #663830, 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 #663830	Ratio	AA	AAA	AA large
Sample text	2.17:1	Fail	Fail	Fail
Sample text	9.66:1	Pass	Pass	Pass

#663830 as text on	Ratio	AA	AAA	AA large
Sample text	9.66:1	Pass	Pass	Pass
Sample text	2.17:1	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 #663830 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #663830; }
.text { color: #663830; }
.border { border: 2px solid #663830; }
.transparent { background-color: rgb(102 56 48 / 50%); }
.gradient { background: linear-gradient(to right, #663830, #665330); }

Background

Text color

Border

Similar colors

Closest common color name: Espresso.

Questions

What color is #663830?: #663830 is a dark, desaturated red, closest to the named color Hairy Heath. It belongs to the brown family of colors.
What is the RGB value of #663830?: The RGB value is 102, 56, 48: 102 red, 56 green and 48 blue on a 0 to 255 scale.
What is the complementary color of #663830?: The complementary color is #305E66, found by rotating the hue 180° on the color wheel.
Is black or white text better on #663830?: White text. Black text has a contrast ratio of 2.17:1 and white text 9.66:1. WCAG asks for at least 4.5:1 for normal text.