#647d8b

Color #647d8b

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 3.91 Nearest Tailwind class mist-500 #67787c · ΔE 4.9

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

Conversions

HEX

#647d8b

RGB

rgb(100, 125, 139)

HSL

hsl(201.5, 16.3%, 46.9%)

HSV / HSB

hsv(201.5, 28.1%, 54.5%)

CMYK

cmyk(28.1%, 10.1%, 0%, 45.5%)

LAB

lab(50.97, -5.57, -10.54)

LCH

lch(50.97, 11.92, 242.15)

OKLCH

oklch(57.5%, 0.0362, 232.75)

HWB

hwb(201.5, 39.2%, 45.5%)

Harmony colors

Complementary

#8b7264

Analogous

#648b86

#647d8b

#646a8b

Triadic

#647d8b

#8b647d

#7d8b64

Split-complementary

#647d8b

#8b646a

#8b8664

Tetradic

#647d8b

#72648b

#8b7264

#7d8b64

Square

#647d8b

#86648b

#8b7264

#6a8b64

Shades

Color #647d8b mixed toward black.

#536874

#43535d

#323f46

#212a2e

#111517

Tints

Color #647d8b mixed toward white.

#7c93a1

#96a9b3

#b0bec6

#cbd4d9

#e5e9ec

Tones

Color #647d8b mixed toward gray.

#677c88

#6b7b85

#6e7a81

#71797e

#74797b

Accessibility

Aa White text on this color

4.33:1

Aa Black text on this color

4.85:1

Black text reads better on this background (4.85:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#707088 · ΔE 13.7

Deuteranopia

#6e6c87 · ΔE 15.4

Tritanopia

#658585 · ΔE 8.5

Achromatopsia

#797979 · ΔE 10.3

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

Code

CSS

background-color: #647d8b;

Tailwind (arbitrary value)

bg-[#647d8b]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Steel Blue #4682b4

Deep Sky Blue #00bfff

Alice Blue #f0f8ff

Frequently asked questions

#647d8b (#647d8b) is rgb(100, 125, 139) in RGB.

No, #647d8b 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.

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 #647d8b, or check how it holds up for accessibility.

Generate a palette → Check contrast