What color is #645457?

#645457 is a dark, grayish red, closest to the named color Pinot Noir. It belongs to the gray family of colors.

What is the RGB value of #645457?

The RGB value is 100, 84, 87: 100 red, 84 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #645457?

The complementary color is #546461, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645457?

White text. Black text has a contrast ratio of 2.95:1 and white text 7.12:1. WCAG asks for at least 4.5:1 for normal text.

#645457 color

#645457 rgb(100, 84, 87)

Shades of gray

The hex color #645457 is a dark, grayish red.

In the RGB color model it is made of 39.2% red, 32.9% green and 34.1% blue (100, 84, 87).

Its hue angle is 349°, with 9% saturation and 36% lightness. For print, the CMYK equivalent is 0% cyan, 16% magenta, 13% yellow and 61% black.

The closest named color is Pinot Noir (#605258), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.12:1).

#645457 color codes

HEX	`#645457`
RGB	`rgb(100, 84, 87)`
RGB percent	`rgb(39.2%, 32.9%, 34.1%)`
HSL	`hsl(349, 9%, 36%)`
HSV / HSB	`hsv(349, 16%, 39%)`
CMYK	`cmyk(0%, 16%, 13%, 61%)`
CIE LAB	`lab(37.37, 7.15, 0.71)`
CIE LCH	`lch(37.37, 7.18, 5.66)`
CIE XYZ	`xyz(10.146, 9.738, 10.36)`
Decimal	`6575191`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645457, 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 #645457	Ratio	AA	AAA	AA large
Sample text	2.95:1	Fail	Fail	Fail
Sample text	7.12:1	Pass	Pass	Pass

#645457 as text on	Ratio	AA	AAA	AA large
Sample text	7.12:1	Pass	Pass	Pass
Sample text	2.95:1	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 #645457 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645457; }
.text { color: #645457; }
.border { border: 2px solid #645457; }
.transparent { background-color: rgb(100 84 87 / 50%); }
.gradient { background: linear-gradient(to right, #645457, #645954); }

Background

Text color

Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645457?: #645457 is a dark, grayish red, closest to the named color Pinot Noir. It belongs to the gray family of colors.
What is the RGB value of #645457?: The RGB value is 100, 84, 87: 100 red, 84 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #645457?: The complementary color is #546461, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645457?: White text. Black text has a contrast ratio of 2.95:1 and white text 7.12:1. WCAG asks for at least 4.5:1 for normal text.