What color is #664037?

#664037 is a dark, desaturated red, closest to the named color Brunette. It belongs to the brown family of colors.

What is the RGB value of #664037?

The RGB value is 102, 64, 55: 102 red, 64 green and 55 blue on a 0 to 255 scale.

What is the complementary color of #664037?

The complementary color is #375D66, found by rotating the hue 180° on the color wheel.

Is black or white text better on #664037?

White text. Black text has a contrast ratio of 2.35:1 and white text 8.92:1. WCAG asks for at least 4.5:1 for normal text.

#664037 color

#664037 rgb(102, 64, 55)

Shades of brown

The hex color #664037 is a dark, desaturated red.

In the RGB color model it is made of 40% red, 25.1% green and 21.6% blue (102, 64, 55).

Its hue angle is 11°, with 30% saturation and 31% lightness. For print, the CMYK equivalent is 0% cyan, 37% magenta, 46% yellow and 60% black.

The closest named color is Brunette (#664238), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.92:1).

#664037 color codes

HEX	`#664037`
RGB	`rgb(102, 64, 55)`
RGB percent	`rgb(40%, 25.1%, 21.6%)`
HSL	`hsl(11, 30%, 31%)`
HSV / HSB	`hsv(11, 46%, 40%)`
CMYK	`cmyk(0%, 37%, 46%, 60%)`
CIE LAB	`lab(31.27, 15.39, 12.36)`
CIE LCH	`lch(31.27, 19.74, 38.78)`
CIE XYZ	`xyz(8.003, 6.768, 4.499)`
Decimal	`6701111`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #664037, 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 #664037	Ratio	AA	AAA	AA large
Sample text	2.35:1	Fail	Fail	Fail
Sample text	8.92:1	Pass	Pass	Pass

#664037 as text on	Ratio	AA	AAA	AA large
Sample text	8.92:1	Pass	Pass	Pass
Sample text	2.35:1	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 #664037 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #664037; }
.text { color: #664037; }
.border { border: 2px solid #664037; }
.transparent { background-color: rgb(102 64 55 / 50%); }
.gradient { background: linear-gradient(to right, #664037, #665837); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Brown.

Questions

What color is #664037?: #664037 is a dark, desaturated red, closest to the named color Brunette. It belongs to the brown family of colors.
What is the RGB value of #664037?: The RGB value is 102, 64, 55: 102 red, 64 green and 55 blue on a 0 to 255 scale.
What is the complementary color of #664037?: The complementary color is #375D66, found by rotating the hue 180° on the color wheel.
Is black or white text better on #664037?: White text. Black text has a contrast ratio of 2.35:1 and white text 8.92:1. WCAG asks for at least 4.5:1 for normal text.