#645dd9

Color #645dd9

A moderately saturated light blue.

Closest named color Slate Blue #6a5acd · ΔE 5.35 Nearest Tailwind class indigo-500 #615fff · ΔE 5

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Conversions

HEX

#645dd9

RGB

rgb(100, 93, 217)

HSL

hsl(243.4, 62%, 60.8%)

HSV / HSB

hsv(243.4, 57.1%, 85.1%)

CMYK

cmyk(53.9%, 57.1%, 0%, 14.9%)

LAB

lab(46.37, 36.7, -62.98)

LCH

lch(46.37, 72.89, 300.23)

OKLCH

oklch(55.3%, 0.1839, 281.07)

HWB

hwb(243.4, 36.5%, 14.9%)

Harmony colors

Complementary

#d2d95d

Analogous

#5d94d9

#645dd9

#a25dd9

Triadic

#645dd9

#d9645d

#5dd964

Split-complementary

#645dd9

#d9a25d

#94d95d

Tetradic

#645dd9

#d95dd2

#d2d95d

#5dd964

Square

#645dd9

#d95d94

#d2d95d

#5dd9a2

Shades

Color #645dd9 mixed toward black.

#3c33cf

#2f27a7

#231d7e

#171454

#0c0a2a

Tints

Color #645dd9 mixed toward white.

#7e78df

#9893e6

#b2aeec

#cbc9f2

#e5e4f9

Tones

Color #645dd9 mixed toward gray.

#6d67cf

#7672c4

#807cba

#8986b0

#9291a5

Accessibility

Aa White text on this color

5.11:1

Aa Black text on this color

4.11:1

White text reads better on this background (5.11:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6161c4 · ΔE 3.4

Deuteranopia

#6162bf · ΔE 4.3

Tritanopia

#64b1ad · ΔE 38.1

Achromatopsia

#6e6e6e · ΔE 27.7

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

Code

CSS

background-color: #645dd9;

Tailwind (arbitrary value)

bg-[#645dd9]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#645dd9 (#645dd9) is rgb(100, 93, 217) in RGB.

No, #645dd9 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 #645dd9, or check how it holds up for accessibility.

Generate a palette → Check contrast