What color is #644D4B?

#644D4B is a dark, grayish red, closest to the named color Dark Chocolate. It belongs to the gray family of colors.

What is the RGB value of #644D4B?

The RGB value is 100, 77, 75: 100 red, 77 green and 75 blue on a 0 to 255 scale.

What is the complementary color of #644D4B?

The complementary color is #4B6264, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644D4B?

White text. Black text has a contrast ratio of 2.71:1 and white text 7.76:1. WCAG asks for at least 4.5:1 for normal text.

#644D4B color

#644D4B rgb(100, 77, 75)

Shades of gray

The hex color #644D4B is a dark, grayish red.

In the RGB color model it is made of 39.2% red, 30.2% green and 29.4% blue (100, 77, 75).

Its hue angle is 5°, with 14% saturation and 34% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 25% yellow and 61% black.

The closest named color is Dark Chocolate (#624A49), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.76:1).

#644D4B color codes

HEX	`#644D4B`
RGB	`rgb(100, 77, 75)`
RGB percent	`rgb(39.2%, 30.2%, 29.4%)`
HSL	`hsl(5, 14%, 34%)`
HSV / HSB	`hsv(5, 25%, 39%)`
CMYK	`cmyk(0%, 23%, 25%, 61%)`
CIE LAB	`lab(35.05, 9.34, 4.9)`
CIE LCH	`lch(35.05, 10.55, 27.68)`
CIE XYZ	`xyz(9.18, 8.525, 7.817)`
Decimal	`6573387`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644D4B, 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 #644D4B	Ratio	AA	AAA	AA large
Sample text	2.71:1	Fail	Fail	Fail
Sample text	7.76:1	Pass	Pass	Pass

#644D4B as text on	Ratio	AA	AAA	AA large
Sample text	7.76:1	Pass	Pass	Pass
Sample text	2.71:1	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 #644D4B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644d4b; }
.text { color: #644d4b; }
.border { border: 2px solid #644d4b; }
.transparent { background-color: rgb(100 77 75 / 50%); }
.gradient { background: linear-gradient(to right, #644d4b, #64594b); }

Background

Text color

Border

Similar colors

Closest common color name: Umber.

Questions

What color is #644D4B?: #644D4B is a dark, grayish red, closest to the named color Dark Chocolate. It belongs to the gray family of colors.
What is the RGB value of #644D4B?: The RGB value is 100, 77, 75: 100 red, 77 green and 75 blue on a 0 to 255 scale.
What is the complementary color of #644D4B?: The complementary color is #4B6264, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644D4B?: White text. Black text has a contrast ratio of 2.71:1 and white text 7.76:1. WCAG asks for at least 4.5:1 for normal text.