What color is #645A5C?

#645A5C is a gray, closest to the named color Wonder Wine. It belongs to the gray family of colors.

What is the RGB value of #645A5C?

The RGB value is 100, 90, 92: 100 red, 90 green and 92 blue on a 0 to 255 scale.

What is the complementary color of #645A5C?

The complementary color is #5A6462, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645A5C?

White text. Black text has a contrast ratio of 3.16:1 and white text 6.65:1. WCAG asks for at least 4.5:1 for normal text.

#645A5C color

#645A5C rgb(100, 90, 92)

Shades of gray

The hex color #645A5C is a gray.

In the RGB color model it is made of 39.2% red, 35.3% green and 36.1% blue (100, 90, 92).

Its hue angle is 348°, with 5% saturation and 37% lightness. For print, the CMYK equivalent is 0% cyan, 10% magenta, 8% yellow and 61% black.

The closest named color is Wonder Wine (#635D63), a difference of 2.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.65:1).

#645A5C color codes

HEX	`#645A5C`
RGB	`rgb(100, 90, 92)`
RGB percent	`rgb(39.2%, 35.3%, 36.1%)`
HSL	`hsl(348, 5%, 37%)`
HSV / HSB	`hsv(348, 10%, 39%)`
CMYK	`cmyk(0%, 10%, 8%, 61%)`
CIE LAB	`lab(39.23, 4.43, 0.32)`
CIE LCH	`lch(39.23, 4.44, 4.13)`
CIE XYZ	`xyz(10.843, 10.795, 11.635)`
Decimal	`6576732`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645A5C, 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 #645A5C	Ratio	AA	AAA	AA large
Sample text	3.16:1	Fail	Fail	Pass
Sample text	6.65:1	Pass	Fail	Pass

#645A5C as text on	Ratio	AA	AAA	AA large
Sample text	6.65:1	Pass	Fail	Pass
Sample text	3.16:1	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 #645A5C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645a5c; }
.text { color: #645a5c; }
.border { border: 2px solid #645a5c; }
.transparent { background-color: rgb(100 90 92 / 50%); }
.gradient { background: linear-gradient(to right, #645a5c, #645d5a); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #645A5C?: #645A5C is a gray, closest to the named color Wonder Wine. It belongs to the gray family of colors.
What is the RGB value of #645A5C?: The RGB value is 100, 90, 92: 100 red, 90 green and 92 blue on a 0 to 255 scale.
What is the complementary color of #645A5C?: The complementary color is #5A6462, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645A5C?: White text. Black text has a contrast ratio of 3.16:1 and white text 6.65:1. WCAG asks for at least 4.5:1 for normal text.