What color is #663A3A?

#663A3A 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 #663A3A?

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

What is the complementary color of #663A3A?

The complementary color is #3A6666, found by rotating the hue 180° on the color wheel.

Is black or white text better on #663A3A?

White text. Black text has a contrast ratio of 2.23:1 and white text 9.41:1. WCAG asks for at least 4.5:1 for normal text.

#663A3A color

#663A3A rgb(102, 58, 58)

Shades of red

The hex color #663A3A is a dark, desaturated red.

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

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

The closest named color is Hot Chocolate (#683939), a difference of 0.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.41:1).

#663A3A color codes

HEX	`#663A3A`
RGB	`rgb(102, 58, 58)`
RGB percent	`rgb(40%, 22.7%, 22.7%)`
HSL	`hsl(0, 28%, 31%)`
HSV / HSB	`hsv(0, 43%, 40%)`
CMYK	`cmyk(0%, 43%, 43%, 60%)`
CIE LAB	`lab(29.81, 19.44, 8.41)`
CIE LCH	`lch(29.81, 21.18, 23.39)`
CIE XYZ	`xyz(7.757, 6.157, 4.782)`
Decimal	`6699578`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #663A3A, 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 #663A3A	Ratio	AA	AAA	AA large
Sample text	2.23:1	Fail	Fail	Fail
Sample text	9.41:1	Pass	Pass	Pass

#663A3A as text on	Ratio	AA	AAA	AA large
Sample text	9.41:1	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 #663A3A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #663a3a; }
.text { color: #663a3a; }
.border { border: 2px solid #663a3a; }
.transparent { background-color: rgb(102 58 58 / 50%); }
.gradient { background: linear-gradient(to right, #663a3a, #66503a); }

Background

Text color

Border

Similar colors

Closest common color name: Wine.

Questions

What color is #663A3A?: #663A3A 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 #663A3A?: The RGB value is 102, 58, 58: 102 red, 58 green and 58 blue on a 0 to 255 scale.
What is the complementary color of #663A3A?: The complementary color is #3A6666, found by rotating the hue 180° on the color wheel.
Is black or white text better on #663A3A?: White text. Black text has a contrast ratio of 2.23:1 and white text 9.41:1. WCAG asks for at least 4.5:1 for normal text.