#645A45 color

#645A45 rgb(100, 90, 69)
Shades of brown

The hex color #645A45 is a dark, grayish orange.

In the RGB color model it is made of 39.2% red, 35.3% green and 27.1% blue (100, 90, 69).

Its hue angle is 41°, with 18% saturation and 33% lightness. For print, the CMYK equivalent is 0% cyan, 10% magenta, 31% yellow and 61% black.

The closest named color is Ochicha Latte (#6B6047), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.8:1).

#645A45 color codes

HEX#645A45
RGBrgb(100, 90, 69)
RGB percentrgb(39.2%, 35.3%, 27.1%)
HSLhsl(41, 18%, 33%)
HSV / HSBhsv(41, 31%, 39%)
CMYKcmyk(0%, 10%, 31%, 61%)
CIE LABlab(38.64, 0.41, 13.63)
CIE LCHlch(38.64, 13.64, 88.28)
CIE XYZxyz(9.986, 10.452, 7.12)
Decimal6576709
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #645A45, 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 #645A45RatioAAAAAAA large
Sample text3.09:1FailFailPass
Sample text6.8:1PassFailPass
#645A45 as text onRatioAAAAAAA large
Sample text6.8:1PassFailPass
Sample text3.09:1FailFailPass

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 #645A45 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645a45; }
.text { color: #645a45; }
.border { border: 2px solid #645a45; }
.transparent { background-color: rgb(100 90 69 / 50%); }
.gradient { background: linear-gradient(to right, #645a45, #5e6445); }
Background
Text color
Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645A45?
#645A45 is a dark, grayish orange, closest to the named color Ochicha Latte. It belongs to the brown family of colors.
What is the RGB value of #645A45?
The RGB value is 100, 90, 69: 100 red, 90 green and 69 blue on a 0 to 255 scale.
What is the complementary color of #645A45?
The complementary color is #454F64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645A45?
White text. Black text has a contrast ratio of 3.09:1 and white text 6.8:1. WCAG asks for at least 4.5:1 for normal text.