What color is #644B5B?

#644B5B is a dark, grayish rose, closest to the named color Hibernation. It belongs to the purple family of colors.

What is the RGB value of #644B5B?

The RGB value is 100, 75, 91: 100 red, 75 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #644B5B?

The complementary color is #4B6454, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644B5B?

White text. Black text has a contrast ratio of 2.7:1 and white text 7.78:1. WCAG asks for at least 4.5:1 for normal text.

#644B5B color

#644B5B rgb(100, 75, 91)

Shades of purple

The hex color #644B5B is a dark, grayish rose.

In the RGB color model it is made of 39.2% red, 29.4% green and 35.7% blue (100, 75, 91).

Its hue angle is 322°, with 14% saturation and 34% lightness. For print, the CMYK equivalent is 0% cyan, 25% magenta, 9% yellow and 61% black.

The closest named color is Hibernation (#6F5166), a difference of 3.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.78:1).

#644B5B color codes

HEX	`#644B5B`
RGB	`rgb(100, 75, 91)`
RGB percent	`rgb(39.2%, 29.4%, 35.7%)`
HSL	`hsl(322, 14%, 34%)`
HSV / HSB	`hsv(322, 25%, 39%)`
CMYK	`cmyk(0%, 25%, 9%, 61%)`
CIE LAB	`lab(35, 13.52, -5.3)`
CIE LCH	`lch(35, 14.52, 338.6)`
CIE XYZ	`xyz(9.66, 8.497, 11.027)`
Decimal	`6572891`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644B5B, 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 #644B5B	Ratio	AA	AAA	AA large
Sample text	2.7:1	Fail	Fail	Fail
Sample text	7.78:1	Pass	Pass	Pass

#644B5B as text on	Ratio	AA	AAA	AA large
Sample text	7.78:1	Pass	Pass	Pass
Sample text	2.7:1	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 #644B5B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644b5b; }
.text { color: #644b5b; }
.border { border: 2px solid #644b5b; }
.transparent { background-color: rgb(100 75 91 / 50%); }
.gradient { background: linear-gradient(to right, #644b5b, #644b4e); }

Background

Text color

Border

Similar colors

Questions

What color is #644B5B?: #644B5B is a dark, grayish rose, closest to the named color Hibernation. It belongs to the purple family of colors.
What is the RGB value of #644B5B?: The RGB value is 100, 75, 91: 100 red, 75 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #644B5B?: The complementary color is #4B6454, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644B5B?: White text. Black text has a contrast ratio of 2.7:1 and white text 7.78:1. WCAG asks for at least 4.5:1 for normal text.