#644ba6

Color #644ba6

A muted medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 10.65 Nearest Tailwind class indigo-700 #432dd7 · ΔE 10.7

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Conversions

HEX

#644ba6

RGB

rgb(100, 75, 166)

HSL

hsl(256.5, 37.8%, 47.3%)

HSV / HSB

hsv(256.5, 54.8%, 65.1%)

CMYK

cmyk(39.8%, 54.8%, 0%, 34.9%)

LAB

lab(38.72, 32.26, -45.63)

LCH

lch(38.72, 55.88, 305.26)

OKLCH

oklch(48.5%, 0.1408, 293.09)

HWB

hwb(256.5, 29.4%, 34.9%)

Harmony colors

Complementary

#8da64b

Analogous

#4b60a6

#644ba6

#924ba6

Triadic

#644ba6

#a6644b

#4ba664

Split-complementary

#644ba6

#a6924b

#60a64b

Tetradic

#644ba6

#a64b8d

#8da64b

#4ba664

Square

#644ba6

#a64b60

#8da64b

#4ba692

Shades

Color #644ba6 mixed toward black.

#533f8b

#43326f

#322653

#211937

#110d1c

Tints

Color #644ba6 mixed toward white.

#7c65b9

#9684c7

#b0a2d5

#cbc1e3

#e5e0f1

Tones

Color #644ba6 mixed toward gray.

#68539f

#6b5a97

#6e628f

#726988

#757180

Accessibility

Aa White text on this color

6.78:1

Aa Black text on this color

3.1:1

White text reads better on this background (6.78:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5a5a96 · ΔE 7.1

Deuteranopia

#5c5d92 · ΔE 8.5

Tritanopia

#638885 · ΔE 30.8

Achromatopsia

#5b5b5b · ΔE 25.1

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

Code

CSS

background-color: #644ba6;

Tailwind (arbitrary value)

bg-[#644ba6]

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

#644ba6 (#644ba6) is rgb(100, 75, 166) in RGB.

No, #644ba6 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 #644ba6, or check how it holds up for accessibility.

Generate a palette → Check contrast