#644D4E color

#644D4E rgb(100, 77, 78)
Shades of gray

The hex color #644D4E is a dark, grayish red.

In the RGB color model it is made of 39.2% red, 30.2% green and 30.6% blue (100, 77, 78).

Its hue angle is 357°, with 13% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 22% yellow and 61% black.

The closest named color is Dark Chocolate (#624A49), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.74:1).

#644D4E color codes

HEX#644D4E
RGBrgb(100, 77, 78)
RGB percentrgb(39.2%, 30.2%, 30.6%)
HSLhsl(357, 13%, 35%)
HSV / HSBhsv(357, 23%, 39%)
CMYKcmyk(0%, 23%, 22%, 61%)
CIE LABlab(35.14, 9.85, 3.13)
CIE LCHlch(35.14, 10.34, 17.61)
CIE XYZxyz(9.285, 8.568, 8.371)
Decimal6573390
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #644D4E, 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 #644D4ERatioAAAAAAA large
Sample text2.71:1FailFailFail
Sample text7.74:1PassPassPass
#644D4E as text onRatioAAAAAAA large
Sample text7.74:1PassPassPass
Sample text2.71:1FailFailFail

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 #644D4E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644d4e; }
.text { color: #644d4e; }
.border { border: 2px solid #644d4e; }
.transparent { background-color: rgb(100 77 78 / 50%); }
.gradient { background: linear-gradient(to right, #644d4e, #64574d); }
Background
Text color
Border

Similar colors

Closest common color name: Umber.

Questions

What color is #644D4E?
#644D4E 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 #644D4E?
The RGB value is 100, 77, 78: 100 red, 77 green and 78 blue on a 0 to 255 scale.
What is the complementary color of #644D4E?
The complementary color is #4D6463, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644D4E?
White text. Black text has a contrast ratio of 2.71:1 and white text 7.74:1. WCAG asks for at least 4.5:1 for normal text.