#645755

Color #645755

A nearly neutral, gray-leaning dark red.

Closest named color Dim Gray #696969 · ΔE 8.54 Nearest Tailwind class taupe-600 #5b4f4b · ΔE 3.2

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

Conversions

HEX

#645755

RGB

rgb(100, 87, 85)

HSL

hsl(8, 8.1%, 36.3%)

HSV / HSB

hsv(8, 15%, 39.2%)

CMYK

cmyk(0%, 13%, 15%, 60.8%)

LAB

lab(38.17, 4.93, 3.11)

LCH

lch(38.17, 5.83, 32.25)

OKLCH

oklch(46.9%, 0.0174, 28.03)

HWB

hwb(8, 33.3%, 60.8%)

Harmony colors

Complementary

#556264

Analogous

#64555b

#645755

#645f55

Triadic

#645755

#556457

#575564

Split-complementary

#645755

#55645f

#555b64

Tetradic

#645755

#626455

#556264

#575564

Square

#645755

#5b6455

#556264

#5f5564

Shades

Color #645755 mixed toward black.

#534947

#433a39

#322c2b

#211d1c

#110f0e

Tints

Color #645755 mixed toward white.

#81716e

#9b8c8a

#b4a9a7

#cdc6c4

#e6e2e2

Tones

Color #645755 mixed toward gray.

#635856

#625958

#605a59

#5f5b5a

#5e5c5b

Accessibility

Aa White text on this color

6.92:1

Aa Black text on this color

3.04:1

White text reads better on this background (6.92:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f5f55 · ΔE 10.2

Deuteranopia

#5f6056 · ΔE 10.7

Tritanopia

#635656 · ΔE 1.2

Achromatopsia

#5a5a5a · ΔE 6.8

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

Code

CSS

background-color: #645755;

Tailwind (arbitrary value)

bg-[#645755]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Red #ff0000

Maroon #800000

Frequently asked questions

#645755 (#645755) is rgb(100, 87, 85) in RGB.

No, #645755 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.

Try it → Accessibility

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 #645755, or check how it holds up for accessibility.

Generate a palette → Check contrast