#6644c0

Color #6644c0

A moderately saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 10.51 Nearest Tailwind class indigo-700 #432dd7 · ΔE 7.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#6644c0

RGB

rgb(102, 68, 192)

HSL

hsl(256.5, 49.6%, 51%)

HSV / HSB

hsv(256.5, 64.6%, 75.3%)

CMYK

cmyk(46.9%, 64.6%, 0%, 24.7%)

LAB

lab(39.18, 44.19, -60.22)

LCH

lch(39.18, 74.69, 306.27)

OKLCH

oklch(49.5%, 0.1842, 290.7)

HWB

hwb(256.5, 26.7%, 24.7%)

Harmony colors

Complementary

#9ec044

Analogous

#4460c0

#6644c0

#a444c0

Triadic

#6644c0

#c06644

#44c066

Split-complementary

#6644c0

#c0a444

#60c044

Tetradic

#6644c0

#c0449e

#9ec044

#44c066

Square

#6644c0

#c04460

#9ec044

#44c0a4

Shades

Color #6644c0 mixed toward black.

#5437a2

#432c82

#332161

#221641

#110b20

Tints

Color #6644c0 mixed toward white.

#8063cb

#9982d5

#b3a2e0

#ccc1ea

#e6e0f5

Tones

Color #6644c0 mixed toward gray.

#6b4eb6

#6f59ab

#7463a1

#796d97

#7d788c

Accessibility

Aa White text on this color

6.66:1

Aa Black text on this color

3.15:1

White text reads better on this background (6.66:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5959ac · ΔE 8

Deuteranopia

#5b5da7 · ΔE 9.5

Tritanopia

#659a96 · ΔE 37.4

Achromatopsia

#5c5c5c · ΔE 27.9

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

Code

CSS

background-color: #6644c0;

Tailwind (arbitrary value)

bg-[#6644c0]

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

#6644c0 (#6644c0) is rgb(102, 68, 192) in RGB.

No, #6644c0 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #6644c0, or check how it holds up for accessibility.

Generate a palette → Check contrast