What color is #644D55?

#644D55 is a dark, grayish rose, closest to the named color Pinot Noir. It belongs to the gray family of colors.

What is the RGB value of #644D55?

The RGB value is 100, 77, 85: 100 red, 77 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #644D55?

The complementary color is #4D645C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644D55?

White text. Black text has a contrast ratio of 2.73:1 and white text 7.68:1. WCAG asks for at least 4.5:1 for normal text.

#644D55 color

#644D55 rgb(100, 77, 85)

Shades of gray

The hex color #644D55 is a dark, grayish rose.

In the RGB color model it is made of 39.2% red, 30.2% green and 33.3% blue (100, 77, 85).

Its hue angle is 339°, with 13% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 15% yellow and 61% black.

The closest named color is Pinot Noir (#605258), a difference of 4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.68:1).

#644D55 color codes

HEX	`#644D55`
RGB	`rgb(100, 77, 85)`
RGB percent	`rgb(39.2%, 30.2%, 33.3%)`
HSL	`hsl(339, 13%, 35%)`
HSV / HSB	`hsv(339, 23%, 39%)`
CMYK	`cmyk(0%, 23%, 15%, 61%)`
CIE LAB	`lab(35.35, 11.11, -0.99)`
CIE LCH	`lch(35.35, 11.16, 354.92)`
CIE XYZ	`xyz(9.549, 8.673, 9.764)`
Decimal	`6573397`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644D55, 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 #644D55	Ratio	AA	AAA	AA large
Sample text	2.73:1	Fail	Fail	Fail
Sample text	7.68:1	Pass	Pass	Pass

#644D55 as text on	Ratio	AA	AAA	AA large
Sample text	7.68:1	Pass	Pass	Pass
Sample text	2.73:1	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 #644D55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644d55; }
.text { color: #644d55; }
.border { border: 2px solid #644d55; }
.transparent { background-color: rgb(100 77 85 / 50%); }
.gradient { background: linear-gradient(to right, #644d55, #64514d); }

Background

Text color

Border

Similar colors

Questions

What color is #644D55?: #644D55 is a dark, grayish rose, closest to the named color Pinot Noir. It belongs to the gray family of colors.
What is the RGB value of #644D55?: The RGB value is 100, 77, 85: 100 red, 77 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #644D55?: The complementary color is #4D645C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644D55?: White text. Black text has a contrast ratio of 2.73:1 and white text 7.68:1. WCAG asks for at least 4.5:1 for normal text.