What color is #645D6F?

#645D6F is a grayish violet, closest to the named color Smoky. It belongs to the gray family of colors.

What is the RGB value of #645D6F?

The RGB value is 100, 93, 111: 100 red, 93 green and 111 blue on a 0 to 255 scale.

What is the complementary color of #645D6F?

The complementary color is #686F5D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645D6F?

White text. Black text has a contrast ratio of 3.34:1 and white text 6.29:1. WCAG asks for at least 4.5:1 for normal text.

#645D6F color

#645D6F rgb(100, 93, 111)

Shades of gray

The hex color #645D6F is a grayish violet.

In the RGB color model it is made of 39.2% red, 36.5% green and 43.5% blue (100, 93, 111).

Its hue angle is 263°, with 9% saturation and 40% lightness. For print, the CMYK equivalent is 10% cyan, 16% magenta, 0% yellow and 56% black.

The closest named color is Smoky (#605D6B), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.29:1).

#645D6F color codes

HEX	`#645D6F`
RGB	`rgb(100, 93, 111)`
RGB percent	`rgb(39.2%, 36.5%, 43.5%)`
HSL	`hsl(263, 9%, 40%)`
HSV / HSB	`hsv(263, 16%, 44%)`
CMYK	`cmyk(10%, 16%, 0%, 56%)`
CIE LAB	`lab(40.71, 6.65, -9.19)`
CIE LCH	`lch(40.71, 11.34, 305.91)`
CIE XYZ	`xyz(12.039, 11.686, 16.657)`
Decimal	`6577519`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645D6F, 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 #645D6F	Ratio	AA	AAA	AA large
Sample text	3.34:1	Fail	Fail	Pass
Sample text	6.29:1	Pass	Fail	Pass

#645D6F as text on	Ratio	AA	AAA	AA large
Sample text	6.29:1	Pass	Fail	Pass
Sample text	3.34:1	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 #645D6F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645d6f; }
.text { color: #645d6f; }
.border { border: 2px solid #645d6f; }
.transparent { background-color: rgb(100 93 111 / 50%); }
.gradient { background: linear-gradient(to right, #645d6f, #6d5d6f); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #645D6F?: #645D6F is a grayish violet, closest to the named color Smoky. It belongs to the gray family of colors.
What is the RGB value of #645D6F?: The RGB value is 100, 93, 111: 100 red, 93 green and 111 blue on a 0 to 255 scale.
What is the complementary color of #645D6F?: The complementary color is #686F5D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645D6F?: White text. Black text has a contrast ratio of 3.34:1 and white text 6.29:1. WCAG asks for at least 4.5:1 for normal text.