#645a53

Color #645a53

A nearly neutral, gray-leaning dark orange.

Closest named color Dim Gray #696969 · ΔE 8.2 Nearest Tailwind class taupe-600 #5b4f4b · ΔE 4.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#645a53

RGB

rgb(100, 90, 83)

HSL

hsl(24.7, 9.3%, 35.9%)

HSV / HSB

hsv(24.7, 17%, 39.2%)

CMYK

cmyk(0%, 10%, 17%, 60.8%)

LAB

lab(38.98, 2.73, 5.51)

LCH

lch(38.98, 6.15, 63.64)

OKLCH

oklch(47.5%, 0.0171, 57.43)

HWB

hwb(24.7, 32.5%, 60.8%)

Harmony colors

Complementary

#535d64

Analogous

#645355

#645a53

#646353

Triadic

#645a53

#53645a

#5a5364

Split-complementary

#645a53

#536463

#535564

Tetradic

#645a53

#5d6453

#535d64

#5a5364

Square

#645a53

#556453

#535d64

#635364

Shades

Color #645a53 mixed toward black.

#534b45

#433c37

#322d2a

#211e1c

#110f0e

Tints

Color #645a53 mixed toward white.

#82756c

#9c9088

#b5aca6

#cec8c3

#e6e3e1

Tones

Color #645a53 mixed toward gray.

#635a54

#615b56

#605b57

#5e5b59

#5d5b5a

Accessibility

Aa White text on this color

6.71:1

Aa Black text on this color

3.13:1

White text reads better on this background (6.71:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#606055 · ΔE 7.1

Deuteranopia

#606155 · ΔE 7.9

Tritanopia

#645656 · ΔE 5.1

Achromatopsia

#5c5c5c · ΔE 5.9

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

Code

CSS

background-color: #645a53;

Tailwind (arbitrary value)

bg-[#645a53]

Related colors

Seashell #fff5ee

Chocolate #d2691e

Saddle Brown #8b4513

Sandy Brown #f4a460

Peach Puff #ffdab9

Peru #cd853f

Frequently asked questions

#645a53 (#645a53) is rgb(100, 90, 83) in RGB.

No, #645a53 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 #645a53, or check how it holds up for accessibility.

Generate a palette → Check contrast