#645b94

Color #645b94

A muted medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 18.41 Nearest Tailwind class slate-600 #45556c · ΔE 11.6

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Conversions

HEX

#645b94

RGB

rgb(100, 91, 148)

HSL

hsl(249.5, 23.8%, 46.9%)

HSV / HSB

hsv(249.5, 38.5%, 58%)

CMYK

cmyk(32.4%, 38.5%, 0%, 42%)

LAB

lab(41.73, 17.33, -30.07)

LCH

lch(41.73, 34.71, 299.96)

OKLCH

oklch(50.4%, 0.0894, 290.08)

HWB

hwb(249.5, 35.7%, 42%)

Harmony colors

Complementary

#8b945b

Analogous

#5b6f94

#645b94

#815b94

Triadic

#645b94

#94645b

#5b9464

Split-complementary

#645b94

#94815b

#6f945b

Tetradic

#645b94

#945b8b

#8b945b

#5b9464

Square

#645b94

#945b6f

#8b945b

#5b9481

Shades

Color #645b94 mixed toward black.

#534c7b

#433d63

#322e4a

#211e31

#110f19

Tints

Color #645b94 mixed toward white.

#7c73a9

#968fba

#b0abcb

#cbc7dd

#e5e3ee

Tones

Color #645b94 mixed toward gray.

#67608f

#6b658b

#6e6986

#716e81

#74737c

Accessibility

Aa White text on this color

6.06:1

Aa Black text on this color

3.47:1

White text reads better on this background (6.06:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#606089 · ΔE 4.2

Deuteranopia

#616186 · ΔE 5.3

Tritanopia

#647f7d · ΔE 25.7

Achromatopsia

#626262 · ΔE 20.6

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

Code

CSS

background-color: #645b94;

Tailwind (arbitrary value)

bg-[#645b94]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#645b94 (#645b94) is rgb(100, 91, 148) in RGB.

No, #645b94 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 #645b94, or check how it holds up for accessibility.

Generate a palette → Check contrast