#644da5

Color #644da5

A muted medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 9.82 Nearest Tailwind class blue-800 #193cb8 · ΔE 11

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Conversions

HEX

#644da5

RGB

rgb(100, 77, 165)

HSL

hsl(255.7, 36.4%, 47.5%)

HSV / HSB

hsv(255.7, 53.3%, 64.7%)

CMYK

cmyk(39.4%, 53.3%, 0%, 35.3%)

LAB

lab(39.13, 30.76, -44.38)

LCH

lch(39.13, 54, 304.73)

OKLCH

oklch(48.8%, 0.1364, 292.69)

HWB

hwb(255.7, 30.2%, 35.3%)

Harmony colors

Complementary

#8ea54d

Analogous

#4d62a5

#644da5

#904da5

Triadic

#644da5

#a5644d

#4da564

Split-complementary

#644da5

#a5904d

#62a54d

Tetradic

#644da5

#a54d8e

#8ea54d

#4da564

Square

#644da5

#a54d62

#8ea54d

#4da590

Shades

Color #644da5 mixed toward black.

#53408a

#43336e

#322753

#211a37

#110d1c

Tints

Color #644da5 mixed toward white.

#7c67b8

#9685c6

#b0a4d4

#cbc2e3

#e5e1f1

Tones

Color #644da5 mixed toward gray.

#68549e

#6b5c97

#6f638f

#726a88

#767280

Accessibility

Aa White text on this color

6.67:1

Aa Black text on this color

3.15:1

White text reads better on this background (6.67:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5b5b96 · ΔE 6.7

Deuteranopia

#5c5e92 · ΔE 8.2

Tritanopia

#638885 · ΔE 30.5

Achromatopsia

#5c5c5c · ΔE 24.8

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

Code

CSS

background-color: #644da5;

Tailwind (arbitrary value)

bg-[#644da5]

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

#644da5 (#644da5) is rgb(100, 77, 165) in RGB.

No, #644da5 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 #644da5, or check how it holds up for accessibility.

Generate a palette → Check contrast