#645e78

Color #645e78

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 15.77 Nearest Tailwind class mauve-500 #79697b · ΔE 7

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Conversions

HEX

#645e78

RGB

rgb(100, 94, 120)

HSL

hsl(253.8, 12.1%, 42%)

HSV / HSB

hsv(253.8, 21.7%, 47.1%)

CMYK

cmyk(16.7%, 21.7%, 0%, 52.9%)

LAB

lab(41.33, 8.16, -13.76)

LCH

lch(41.33, 16, 300.67)

OKLCH

oklch(49.7%, 0.0415, 295.39)

HWB

hwb(253.8, 36.9%, 52.9%)

Harmony colors

Complementary

#72785e

Analogous

#5e6578

#645e78

#715e78

Triadic

#645e78

#78645e

#5e7864

Split-complementary

#645e78

#78715e

#65785e

Tetradic

#645e78

#785e72

#72785e

#5e7864

Square

#645e78

#785e65

#72785e

#5e7871

Shades

Color #645e78 mixed toward black.

#534e64

#433f50

#322f3c

#211f28

#111014

Tints

Color #645e78 mixed toward white.

#7c7593

#9690a8

#b0acbe

#cac8d4

#e5e3e9

Tones

Color #645e78 mixed toward gray.

#656076

#666274

#686572

#69676f

#6a696d

Accessibility

Aa White text on this color

6.15:1

Aa Black text on this color

3.41:1

White text reads better on this background (6.15:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#616172 · ΔE 4.8

Deuteranopia

#626271 · ΔE 5.6

Tritanopia

#646e6d · ΔE 17

Achromatopsia

#616161 · ΔE 13

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

Code

CSS

background-color: #645e78;

Tailwind (arbitrary value)

bg-[#645e78]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#645e78 (#645e78) is rgb(100, 94, 120) in RGB.

No, #645e78 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 #645e78, or check how it holds up for accessibility.

Generate a palette → Check contrast