#645D50 color

#645D50 rgb(100, 93, 80)
Shades of gray

The hex color #645D50 is a dark, grayish orange.

In the RGB color model it is made of 39.2% red, 36.5% green and 31.4% blue (100, 93, 80).

Its hue angle is 39°, with 11% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 7% magenta, 20% yellow and 61% black.

The closest named color is Ancient Oak (#665B4E), a difference of 2.4 ΔE, a small difference.

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

#645D50 color codes

HEX#645D50
RGBrgb(100, 93, 80)
RGB percentrgb(39.2%, 36.5%, 31.4%)
HSLhsl(39, 11%, 35%)
HSV / HSBhsv(39, 20%, 39%)
CMYKcmyk(0%, 7%, 20%, 61%)
CIE LABlab(39.78, 0.39, 8.49)
CIE LCHlch(39.78, 8.5, 87.39)
CIE XYZxyz(10.618, 11.117, 9.174)
Decimal6577488
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #645D50, 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 #645D50RatioAAAAAAA large
Sample text3.22:1FailFailPass
Sample text6.51:1PassFailPass
#645D50 as text onRatioAAAAAAA large
Sample text6.51:1PassFailPass
Sample text3.22:1FailFailPass

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 #645D50 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645d50; }
.text { color: #645d50; }
.border { border: 2px solid #645d50; }
.transparent { background-color: rgb(100 93 80 / 50%); }
.gradient { background: linear-gradient(to right, #645d50, #616450); }
Background
Text color
Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645D50?
#645D50 is a dark, grayish orange, closest to the named color Ancient Oak. It belongs to the gray family of colors.
What is the RGB value of #645D50?
The RGB value is 100, 93, 80: 100 red, 93 green and 80 blue on a 0 to 255 scale.
What is the complementary color of #645D50?
The complementary color is #505764, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645D50?
White text. Black text has a contrast ratio of 3.22:1 and white text 6.51:1. WCAG asks for at least 4.5:1 for normal text.