#645451

Color #645451

A nearly neutral, gray-leaning dark red.

Closest named color Dim Gray #696969 · ΔE 10.31 Nearest Tailwind class taupe-600 #5b4f4b · ΔE 3

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Conversions

HEX

#645451

RGB

rgb(100, 84, 81)

HSL

hsl(9.5, 10.5%, 35.5%)

HSV / HSB

hsv(9.5, 19%, 39.2%)

CMYK

cmyk(0%, 16%, 19%, 60.8%)

LAB

lab(37.2, 6.05, 4.2)

LCH

lch(37.2, 7.36, 34.77)

OKLCH

oklch(46.1%, 0.0218, 30.56)

HWB

hwb(9.5, 31.8%, 60.8%)

Harmony colors

Complementary

#516164

Analogous

#645158

#645451

#645e51

Triadic

#645451

#516454

#545164

Split-complementary

#645451

#51645e

#515864

Tetradic

#645451

#616451

#516164

#545164

Square

#645451

#586451

#516164

#5e5164

Shades

Color #645451 mixed toward black.

#534644

#433836

#322a29

#211c1b

#110e0e

Tints

Color #645451 mixed toward white.

#826d6a

#9d8986

#b5a7a4

#cec4c2

#e6e2e1

Tones

Color #645451 mixed toward gray.

#625553

#615654

#5f5756

#5e5857

#5c5959

Accessibility

Aa White text on this color

7.17:1

Aa Black text on this color

2.93:1

White text reads better on this background (7.17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#5d5d52 · ΔE 11.6

Deuteranopia

#5e6052 · ΔE 13.9

Tritanopia

#635252 · ΔE 1.9

Achromatopsia

#575757 · ΔE 8.2

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

Code

CSS

background-color: #645451;

Tailwind (arbitrary value)

bg-[#645451]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Frequently asked questions

#645451 (#645451) is rgb(100, 84, 81) in RGB.

No, #645451 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #645451, or check how it holds up for accessibility.

Generate a palette → Check contrast