What color is #645C5C?

#645C5C is a gray, closest to the named color Smokescreen. It belongs to the gray family of colors.

What is the RGB value of #645C5C?

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

What is the complementary color of #645C5C?

The complementary color is #5C6464, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645C5C?

White text. Black text has a contrast ratio of 3.23:1 and white text 6.51:1. WCAG asks for at least 4.5:1 for normal text.

#645C5C color

#645C5C rgb(100, 92, 92)

Shades of gray

The hex color #645C5C is a gray.

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

Its hue angle is 0°, with 4% saturation and 38% lightness. For print, the CMYK equivalent is 0% cyan, 8% magenta, 8% yellow and 61% black.

The closest named color is Smokescreen (#5E5755), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.51:1).

#645C5C color codes

HEX	`#645C5C`
RGB	`rgb(100, 92, 92)`
RGB percent	`rgb(39.2%, 36.1%, 36.1%)`
HSL	`hsl(0, 4%, 38%)`
HSV / HSB	`hsv(0, 8%, 39%)`
CMYK	`cmyk(0%, 8%, 8%, 61%)`
CIE LAB	`lab(39.81, 3.21, 1.16)`
CIE LCH	`lch(39.81, 3.41, 19.87)`
CIE XYZ	`xyz(11.014, 11.136, 11.692)`
Decimal	`6577244`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645C5C, 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 #645C5C	Ratio	AA	AAA	AA large
Sample text	3.23:1	Fail	Fail	Pass
Sample text	6.51:1	Pass	Fail	Pass

#645C5C as text on	Ratio	AA	AAA	AA large
Sample text	6.51:1	Pass	Fail	Pass
Sample text	3.23:1	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 #645C5C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645c5c; }
.text { color: #645c5c; }
.border { border: 2px solid #645c5c; }
.transparent { background-color: rgb(100 92 92 / 50%); }
.gradient { background: linear-gradient(to right, #645c5c, #64605c); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #645C5C?: #645C5C is a gray, closest to the named color Smokescreen. It belongs to the gray family of colors.
What is the RGB value of #645C5C?: The RGB value is 100, 92, 92: 100 red, 92 green and 92 blue on a 0 to 255 scale.
What is the complementary color of #645C5C?: The complementary color is #5C6464, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645C5C?: White text. Black text has a contrast ratio of 3.23:1 and white text 6.51:1. WCAG asks for at least 4.5:1 for normal text.