#645d5a

Color #645d5a

A nearly neutral, gray-leaning dark orange.

Closest named color Dim Gray #696969 · ΔE 5.61 Nearest Tailwind class stone-600 #57534d · ΔE 4.8

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Conversions

HEX

#645d5a

RGB

rgb(100, 93, 90)

HSL

hsl(18, 5.3%, 37.3%)

HSV / HSB

hsv(18, 10%, 39.2%)

CMYK

cmyk(0%, 7%, 10%, 60.8%)

LAB

lab(40.04, 2.21, 2.73)

LCH

lch(40.04, 3.51, 51.01)

OKLCH

oklch(48.4%, 0.0103, 44.6)

HWB

hwb(18, 35.3%, 60.8%)

Harmony colors

Complementary

#5a6164

Analogous

#645a5c

#645d5a

#64625a

Triadic

#645d5a

#5a645d

#5d5a64

Split-complementary

#645d5a

#5a6462

#5a5c64

Tetradic

#645d5a

#61645a

#5a6164

#5d5a64

Square

#645d5a

#5c645a

#5a6164

#625a64

Shades

Color #645d5a mixed toward black.

#534e4b

#433e3c

#322f2d

#211f1e

#11100f

Tints

Color #645d5a mixed toward white.

#807773

#9a928f

#b3adab

#cdc9c7

#e6e4e3

Tones

Color #645d5a mixed toward gray.

#635d5b

#625e5c

#625e5d

#615e5d

#605f5e

Accessibility

Aa White text on this color

6.45:1

Aa Black text on this color

3.26:1

White text reads better on this background (6.45:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#61615b · ΔE 5.1

Deuteranopia

#61625b · ΔE 6

Tritanopia

#645b5b · ΔE 2.4

Achromatopsia

#5e5e5e · ΔE 3.9

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #645d5a;

Tailwind (arbitrary value)

bg-[#645d5a]

Related colors

Light Salmon #ffa07a

Sienna #a0522d

Orange Red #ff4500

Coral #ff7f50

Dark Salmon #e9967a

Seashell #fff5ee

Frequently asked questions

#645d5a (#645d5a) is rgb(100, 93, 90) in RGB.

No, #645d5a is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #645d5a, or check how it holds up for accessibility.

Generate a palette → Check contrast