What color is #663A3B?

#663A3B is a dark, desaturated red, closest to the named color Hot Chocolate. It belongs to the red family of colors.

What is the RGB value of #663A3B?

The RGB value is 102, 58, 59: 102 red, 58 green and 59 blue on a 0 to 255 scale.

What is the complementary color of #663A3B?

The complementary color is #3A6665, found by rotating the hue 180° on the color wheel.

Is black or white text better on #663A3B?

White text. Black text has a contrast ratio of 2.23:1 and white text 9.4:1. WCAG asks for at least 4.5:1 for normal text.

#663A3B color

#663A3B rgb(102, 58, 59)

Shades of red

The hex color #663A3B is a dark, desaturated red.

In the RGB color model it is made of 40% red, 22.7% green and 23.1% blue (102, 58, 59).

Its hue angle is 359°, with 28% saturation and 31% lightness. For print, the CMYK equivalent is 0% cyan, 43% magenta, 42% yellow and 60% black.

The closest named color is Hot Chocolate (#683939), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.4:1).

#663A3B color codes

HEX	`#663A3B`
RGB	`rgb(102, 58, 59)`
RGB percent	`rgb(40%, 22.7%, 23.1%)`
HSL	`hsl(359, 28%, 31%)`
HSV / HSB	`hsv(359, 43%, 40%)`
CMYK	`cmyk(0%, 43%, 42%, 60%)`
CIE LAB	`lab(29.83, 19.57, 7.8)`
CIE LCH	`lch(29.83, 21.07, 21.72)`
CIE XYZ	`xyz(7.782, 6.167, 4.917)`
Decimal	`6699579`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #663A3B, 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 #663A3B	Ratio	AA	AAA	AA large
Sample text	2.23:1	Fail	Fail	Fail
Sample text	9.4:1	Pass	Pass	Pass

#663A3B as text on	Ratio	AA	AAA	AA large
Sample text	9.4:1	Pass	Pass	Pass
Sample text	2.23:1	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 #663A3B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #663a3b; }
.text { color: #663a3b; }
.border { border: 2px solid #663a3b; }
.transparent { background-color: rgb(102 58 59 / 50%); }
.gradient { background: linear-gradient(to right, #663a3b, #664f3a); }

Background

Text color

Border

Similar colors

Closest common color name: Wine.

Questions

What color is #663A3B?: #663A3B is a dark, desaturated red, closest to the named color Hot Chocolate. It belongs to the red family of colors.
What is the RGB value of #663A3B?: The RGB value is 102, 58, 59: 102 red, 58 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #663A3B?: The complementary color is #3A6665, found by rotating the hue 180° on the color wheel.
Is black or white text better on #663A3B?: White text. Black text has a contrast ratio of 2.23:1 and white text 9.4:1. WCAG asks for at least 4.5:1 for normal text.