What color is #644F45?

#644F45 is a dark, grayish orange, closest to the named color Umber. It belongs to the gray family of colors.

What is the RGB value of #644F45?

The RGB value is 100, 79, 69: 100 red, 79 green and 69 blue on a 0 to 255 scale.

What is the complementary color of #644F45?

The complementary color is #455A64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644F45?

White text. Black text has a contrast ratio of 2.75:1 and white text 7.65:1. WCAG asks for at least 4.5:1 for normal text.

#644F45 color

#644F45 rgb(100, 79, 69)

Shades of gray

The hex color #644F45 is a dark, grayish orange.

In the RGB color model it is made of 39.2% red, 31% green and 27.1% blue (100, 79, 69).

Its hue angle is 19°, with 18% saturation and 33% lightness. For print, the CMYK equivalent is 0% cyan, 21% magenta, 31% yellow and 61% black.

The closest named color is Umber (#635147), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.65:1).

#644F45 color codes

HEX	`#644F45`
RGB	`rgb(100, 79, 69)`
RGB percent	`rgb(39.2%, 31%, 27.1%)`
HSL	`hsl(19, 18%, 33%)`
HSV / HSB	`hsv(19, 31%, 39%)`
CMYK	`cmyk(0%, 21%, 31%, 61%)`
CIE LAB	`lab(35.46, 7.14, 9.25)`
CIE LCH	`lch(35.46, 11.68, 52.34)`
CIE XYZ	`xyz(9.126, 8.731, 6.834)`
Decimal	`6573893`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644F45, 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 #644F45	Ratio	AA	AAA	AA large
Sample text	2.75:1	Fail	Fail	Fail
Sample text	7.65:1	Pass	Pass	Pass

#644F45 as text on	Ratio	AA	AAA	AA large
Sample text	7.65:1	Pass	Pass	Pass
Sample text	2.75:1	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 #644F45 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644f45; }
.text { color: #644f45; }
.border { border: 2px solid #644f45; }
.transparent { background-color: rgb(100 79 69 / 50%); }
.gradient { background: linear-gradient(to right, #644f45, #645e45); }

Background

Text color

Border

Similar colors

Questions

What color is #644F45?: #644F45 is a dark, grayish orange, closest to the named color Umber. It belongs to the gray family of colors.
What is the RGB value of #644F45?: The RGB value is 100, 79, 69: 100 red, 79 green and 69 blue on a 0 to 255 scale.
What is the complementary color of #644F45?: The complementary color is #455A64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644F45?: White text. Black text has a contrast ratio of 2.75:1 and white text 7.65:1. WCAG asks for at least 4.5:1 for normal text.