#644e9c

Color #644e9c

A muted medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 8.56 Nearest Tailwind class slate-600 #45556c · ΔE 11.9

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Conversions

HEX

#644e9c

RGB

rgb(100, 78, 156)

HSL

hsl(256.9, 33.3%, 45.9%)

HSV / HSB

hsv(256.9, 50%, 61.2%)

CMYK

cmyk(35.9%, 50%, 0%, 38.8%)

LAB

lab(38.83, 27.61, -39.47)

LCH

lch(38.83, 48.17, 304.97)

OKLCH

oklch(48.4%, 0.1223, 294.39)

HWB

hwb(256.9, 30.6%, 38.8%)

Harmony colors

Complementary

#869c4e

Analogous

#4e5f9c

#644e9c

#8b4e9c

Triadic

#644e9c

#9c644e

#4e9c64

Split-complementary

#644e9c

#9c8b4e

#5f9c4e

Tetradic

#644e9c

#9c4e86

#869c4e

#4e9c64

Square

#644e9c

#9c4e5f

#869c4e

#4e9c8b

Shades

Color #644e9c mixed toward black.

#534182

#433468

#32274e

#211a34

#110d1a

Tints

Color #644e9c mixed toward white.

#7b66b2

#9684c2

#b0a3d1

#cac2e0

#e5e0f0

Tones

Color #644e9c mixed toward gray.

#675596

#6a5b8f

#6d6289

#6f6882

#726f7c

Accessibility

Aa White text on this color

6.75:1

Aa Black text on this color

3.11:1

White text reads better on this background (6.75:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5b5b8e · ΔE 6.8

Deuteranopia

#5c5e8a · ΔE 8.4

Tritanopia

#63827f · ΔE 28.7

Achromatopsia

#5b5b5b · ΔE 23.8

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

Code

CSS

background-color: #644e9c;

Tailwind (arbitrary value)

bg-[#644e9c]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#644e9c (#644e9c) is rgb(100, 78, 156) in RGB.

No, #644e9c 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 #644e9c, or check how it holds up for accessibility.

Generate a palette → Check contrast