#645D53 color

#645D53 rgb(100, 93, 83)
Shades of gray

The hex color #645D53 is a dark, grayish orange.

In the RGB color model it is made of 39.2% red, 36.5% green and 32.5% blue (100, 93, 83).

Its hue angle is 35°, with 9% saturation and 36% lightness. For print, the CMYK equivalent is 0% cyan, 7% magenta, 17% yellow and 61% black.

The closest named color is Metropolis (#61584F), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.5:1).

#645D53 color codes

HEX#645D53
RGBrgb(100, 93, 83)
RGB percentrgb(39.2%, 36.5%, 32.5%)
HSLhsl(35, 9%, 36%)
HSV / HSBhsv(35, 17%, 39%)
CMYKcmyk(0%, 7%, 17%, 61%)
CIE LABlab(39.85, 0.91, 6.76)
CIE LCHlch(39.85, 6.82, 82.3)
CIE XYZxyz(10.731, 11.163, 9.771)
Decimal6577491
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #645D53, 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 #645D53RatioAAAAAAA large
Sample text3.23:1FailFailPass
Sample text6.5:1PassFailPass
#645D53 as text onRatioAAAAAAA large
Sample text6.5:1PassFailPass
Sample text3.23:1FailFailPass

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 #645D53 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645d53; }
.text { color: #645d53; }
.border { border: 2px solid #645d53; }
.transparent { background-color: rgb(100 93 83 / 50%); }
.gradient { background: linear-gradient(to right, #645d53, #636453); }
Background
Text color
Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645D53?
#645D53 is a dark, grayish orange, closest to the named color Metropolis. It belongs to the gray family of colors.
What is the RGB value of #645D53?
The RGB value is 100, 93, 83: 100 red, 93 green and 83 blue on a 0 to 255 scale.
What is the complementary color of #645D53?
The complementary color is #535A64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645D53?
White text. Black text has a contrast ratio of 3.23:1 and white text 6.5:1. WCAG asks for at least 4.5:1 for normal text.