#645e76

Color #645e76

A nearly neutral, gray-leaning medium blue.

Closest named color Dim Gray #696969 · ΔE 15.13 Nearest Tailwind class mauve-500 #79697b · ΔE 6.7

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Conversions

HEX

#645e76

RGB

rgb(100, 94, 118)

HSL

hsl(255, 11.3%, 41.6%)

HSV / HSB

hsv(255, 20.3%, 46.3%)

CMYK

cmyk(15.3%, 20.3%, 0%, 53.7%)

LAB

lab(41.25, 7.68, -12.65)

LCH

lch(41.25, 14.8, 301.26)

OKLCH

oklch(49.7%, 0.0384, 296.43)

HWB

hwb(255, 36.9%, 53.7%)

Harmony colors

Complementary

#70765e

Analogous

#5e6476

#645e76

#705e76

Triadic

#645e76

#76645e

#5e7664

Split-complementary

#645e76

#76705e

#64765e

Tetradic

#645e76

#765e70

#70765e

#5e7664

Square

#645e76

#765e64

#70765e

#5e7670

Shades

Color #645e76 mixed toward black.

#534e62

#433f4f

#322f3b

#211f27

#111014

Tints

Color #645e76 mixed toward white.

#7c7591

#9691a7

#b0acbd

#cbc8d3

#e5e3e9

Tones

Color #645e76 mixed toward gray.

#656074

#666272

#676470

#68666e

#69686c

Accessibility

Aa White text on this color

6.17:1

Aa Black text on this color

3.4:1

White text reads better on this background (6.17:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#616171 · ΔE 4.6

Deuteranopia

#62626f · ΔE 5.8

Tritanopia

#646c6b · ΔE 15.8

Achromatopsia

#616161 · ΔE 12.3

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

Code

CSS

background-color: #645e76;

Tailwind (arbitrary value)

bg-[#645e76]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#645e76 (#645e76) is rgb(100, 94, 118) in RGB.

No, #645e76 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 #645e76, or check how it holds up for accessibility.

Generate a palette → Check contrast