#645d83

Color #645d83

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 20.2 Nearest Tailwind class mauve-500 #79697b · ΔE 9.3

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Conversions

HEX

#645d83

RGB

rgb(100, 93, 131)

HSL

hsl(251.1, 17%, 43.9%)

HSV / HSB

hsv(251.1, 29%, 51.4%)

CMYK

cmyk(23.7%, 29%, 0%, 48.6%)

LAB

lab(41.5, 11.53, -20.19)

LCH

lch(41.5, 23.25, 299.73)

OKLCH

oklch(50%, 0.0603, 292.52)

HWB

hwb(251.1, 36.5%, 48.6%)

Harmony colors

Complementary

#7c835d

Analogous

#5d6983

#645d83

#775d83

Triadic

#645d83

#83645d

#5d8364

Split-complementary

#645d83

#83775d

#69835d

Tetradic

#645d83

#835d7c

#7c835d

#5d8364

Square

#645d83

#835d69

#7c835d

#5d8377

Shades

Color #645d83 mixed toward black.

#534d6d

#433e57

#322e41

#211f2c

#110f16

Tints

Color #645d83 mixed toward white.

#7b749c

#958fb0

#b0abc4

#cac7d7

#e5e3eb

Tones

Color #645d83 mixed toward gray.

#666080

#68637d

#6a6679

#6c6a76

#6e6d73

Accessibility

Aa White text on this color

6.11:1

Aa Black text on this color

3.44:1

White text reads better on this background (6.11:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#61617b · ΔE 4.9

Deuteranopia

#616279 · ΔE 6.2

Tritanopia

#647473 · ΔE 21.5

Achromatopsia

#626262 · ΔE 16.5

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

Code

CSS

background-color: #645d83;

Tailwind (arbitrary value)

bg-[#645d83]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#645d83 (#645d83) is rgb(100, 93, 131) in RGB.

No, #645d83 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 #645d83, or check how it holds up for accessibility.

Generate a palette → Check contrast