What color is #645C4D?

#645C4D is a dark, grayish orange, closest to the named color Ancient Oak. It belongs to the gray family of colors.

What is the RGB value of #645C4D?

The RGB value is 100, 92, 77: 100 red, 92 green and 77 blue on a 0 to 255 scale.

What is the complementary color of #645C4D?

The complementary color is #4D5564, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645C4D?

White text. Black text has a contrast ratio of 3.18:1 and white text 6.6:1. WCAG asks for at least 4.5:1 for normal text.

#645C4D color

#645C4D rgb(100, 92, 77)

Shades of gray

The hex color #645C4D is a dark, grayish orange.

In the RGB color model it is made of 39.2% red, 36.1% green and 30.2% blue (100, 92, 77).

Its hue angle is 39°, with 13% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 8% magenta, 23% yellow and 61% black.

The closest named color is Ancient Oak (#665B4E), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.6:1).

#645C4D color codes

HEX	`#645C4D`
RGB	`rgb(100, 92, 77)`
RGB percent	`rgb(39.2%, 36.1%, 30.2%)`
HSL	`hsl(39, 13%, 35%)`
HSV / HSB	`hsv(39, 23%, 39%)`
CMYK	`cmyk(0%, 8%, 23%, 61%)`
CIE LAB	`lab(39.41, 0.48, 9.81)`
CIE LCH	`lch(39.41, 9.82, 87.21)`
CIE XYZ	`xyz(10.422, 10.9, 8.575)`
Decimal	`6577229`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645C4D, 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 #645C4D	Ratio	AA	AAA	AA large
Sample text	3.18:1	Fail	Fail	Pass
Sample text	6.6:1	Pass	Fail	Pass

#645C4D as text on	Ratio	AA	AAA	AA large
Sample text	6.6:1	Pass	Fail	Pass
Sample text	3.18:1	Fail	Fail	Pass

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 #645C4D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645c4d; }
.text { color: #645c4d; }
.border { border: 2px solid #645c4d; }
.transparent { background-color: rgb(100 92 77 / 50%); }
.gradient { background: linear-gradient(to right, #645c4d, #61644d); }

Background

Text color

Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645C4D?: #645C4D is a dark, grayish orange, closest to the named color Ancient Oak. It belongs to the gray family of colors.
What is the RGB value of #645C4D?: The RGB value is 100, 92, 77: 100 red, 92 green and 77 blue on a 0 to 255 scale.
What is the complementary color of #645C4D?: The complementary color is #4D5564, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645C4D?: White text. Black text has a contrast ratio of 3.18:1 and white text 6.6:1. WCAG asks for at least 4.5:1 for normal text.