#646e8c

Color #646e8c

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 10.98 Nearest Tailwind class slate-500 #62748e · ΔE 4.5

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Conversions

HEX

#646e8c

RGB

rgb(100, 110, 140)

HSL

hsl(225, 16.7%, 47.1%)

HSV / HSB

hsv(225, 28.6%, 54.9%)

CMYK

cmyk(28.6%, 21.4%, 0%, 45.1%)

LAB

lab(46.65, 3.5, -17.67)

LCH

lch(46.65, 18.01, 281.2)

OKLCH

oklch(54.1%, 0.0486, 270.35)

HWB

hwb(225, 39.2%, 45.1%)

Harmony colors

Complementary

#8c8264

Analogous

#64828c

#646e8c

#6e648c

Triadic

#646e8c

#8c646e

#6e8c64

Split-complementary

#646e8c

#8c6e64

#828c64

Tetradic

#646e8c

#82648c

#8c8264

#6e8c64

Square

#646e8c

#8c6482

#8c8264

#648c6e

Shades

Color #646e8c mixed toward black.

#535c75

#43495d

#323746

#21252f

#111217

Tints

Color #646e8c mixed toward white.

#7c85a1

#969eb4

#b0b6c7

#cbceda

#e5e7ec

Tones

Color #646e8c mixed toward gray.

#677089

#6b7185

#6e7382

#71757f

#75767b

Accessibility

Aa White text on this color

5.06:1

Aa Black text on this color

4.15:1

White text reads better on this background (5.06:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#686986 · ΔE 3.9

Deuteranopia

#686784 · ΔE 5

Tritanopia

#65807f · ΔE 18.1

Achromatopsia

#6f6f6f · ΔE 13

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

Code

CSS

background-color: #646e8c;

Tailwind (arbitrary value)

bg-[#646e8c]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#646e8c (#646e8c) is rgb(100, 110, 140) in RGB.

No, #646e8c 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 #646e8c, or check how it holds up for accessibility.

Generate a palette → Check contrast