What color is #645C4E?

#645C4E 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 #645C4E?

The RGB value is 100, 92, 78: 100 red, 92 green and 78 blue on a 0 to 255 scale.

What is the complementary color of #645C4E?

The complementary color is #4E5664, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645C4E?

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.

#645C4E color

#645C4E rgb(100, 92, 78)

Shades of gray

The hex color #645C4E is a dark, grayish orange.

In the RGB color model it is made of 39.2% red, 36.1% green and 30.6% blue (100, 92, 78).

Its hue angle is 38°, with 12% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 8% magenta, 22% yellow and 61% black.

The closest named color is Ancient Oak (#665B4E), a difference of 2 ΔE, which is barely visible.

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

#645C4E color codes

HEX	`#645C4E`
RGB	`rgb(100, 92, 78)`
RGB percent	`rgb(39.2%, 36.1%, 30.6%)`
HSL	`hsl(38, 12%, 35%)`
HSV / HSB	`hsv(38, 22%, 39%)`
CMYK	`cmyk(0%, 8%, 22%, 61%)`
CIE LAB	`lab(39.44, 0.65, 9.23)`
CIE LCH	`lch(39.44, 9.25, 85.99)`
CIE XYZ	`xyz(10.458, 10.914, 8.762)`
Decimal	`6577230`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645C4E, 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 #645C4E	Ratio	AA	AAA	AA large
Sample text	3.18:1	Fail	Fail	Pass
Sample text	6.6:1	Pass	Fail	Pass

#645C4E 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 #645C4E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645c4e; }
.text { color: #645c4e; }
.border { border: 2px solid #645c4e; }
.transparent { background-color: rgb(100 92 78 / 50%); }
.gradient { background: linear-gradient(to right, #645c4e, #61644e); }

Background

Text color

Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645C4E?: #645C4E 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 #645C4E?: The RGB value is 100, 92, 78: 100 red, 92 green and 78 blue on a 0 to 255 scale.
What is the complementary color of #645C4E?: The complementary color is #4E5664, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645C4E?: 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.