What color is #644C58?

#644C58 is a dark, grayish rose, closest to the named color Hibernation. It belongs to the gray family of colors.

What is the RGB value of #644C58?

The RGB value is 100, 76, 88: 100 red, 76 green and 88 blue on a 0 to 255 scale.

What is the complementary color of #644C58?

The complementary color is #4C6458, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644C58?

White text. Black text has a contrast ratio of 2.72:1 and white text 7.73:1. WCAG asks for at least 4.5:1 for normal text.

#644C58 color

#644C58 rgb(100, 76, 88)

Shades of gray

The hex color #644C58 is a dark, grayish rose.

In the RGB color model it is made of 39.2% red, 29.8% green and 34.5% blue (100, 76, 88).

Its hue angle is 330°, with 14% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 24% magenta, 12% yellow and 61% black.

The closest named color is Hibernation (#6F5166), a difference of 4.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.73:1).

#644C58 color codes

HEX	`#644C58`
RGB	`rgb(100, 76, 88)`
RGB percent	`rgb(39.2%, 29.8%, 34.5%)`
HSL	`hsl(330, 14%, 35%)`
HSV / HSB	`hsv(330, 24%, 39%)`
CMYK	`cmyk(0%, 24%, 12%, 61%)`
CIE LAB	`lab(35.17, 12.31, -3.15)`
CIE LCH	`lch(35.17, 12.7, 345.66)`
CIE XYZ	`xyz(9.601, 8.583, 10.382)`
Decimal	`6573144`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644C58, 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 #644C58	Ratio	AA	AAA	AA large
Sample text	2.72:1	Fail	Fail	Fail
Sample text	7.73:1	Pass	Pass	Pass

#644C58 as text on	Ratio	AA	AAA	AA large
Sample text	7.73:1	Pass	Pass	Pass
Sample text	2.72:1	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 #644C58 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644c58; }
.text { color: #644c58; }
.border { border: 2px solid #644c58; }
.transparent { background-color: rgb(100 76 88 / 50%); }
.gradient { background: linear-gradient(to right, #644c58, #644c4c); }

Background

Text color

Border

Similar colors

Questions

What color is #644C58?: #644C58 is a dark, grayish rose, closest to the named color Hibernation. It belongs to the gray family of colors.
What is the RGB value of #644C58?: The RGB value is 100, 76, 88: 100 red, 76 green and 88 blue on a 0 to 255 scale.
What is the complementary color of #644C58?: The complementary color is #4C6458, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644C58?: White text. Black text has a contrast ratio of 2.72:1 and white text 7.73:1. WCAG asks for at least 4.5:1 for normal text.