#647d8f

Color #647d8f

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 3.65 Nearest Tailwind class slate-500 #62748e · ΔE 6.1

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

Conversions

HEX

#647d8f

RGB

rgb(100, 125, 143)

HSL

hsl(205.1, 17.7%, 47.6%)

HSV / HSB

hsv(205.1, 30.1%, 56.1%)

CMYK

cmyk(30.1%, 12.6%, 0%, 43.9%)

LAB

lab(51.1, -4.55, -12.68)

LCH

lch(51.1, 13.47, 250.26)

OKLCH

oklch(57.7%, 0.0402, 239.67)

HWB

hwb(205.1, 39.2%, 43.9%)

Harmony colors

Complementary

#8f7664

Analogous

#648f8b

#647d8f

#64678f

Triadic

#647d8f

#8f647d

#7d8f64

Split-complementary

#647d8f

#8f6467

#8f8b64

Tetradic

#647d8f

#76648f

#8f7664

#7d8f64

Square

#647d8f

#8b648f

#8f7664

#678f64

Shades

Color #647d8f mixed toward black.

#536877

#43535f

#323e47

#212a30

#111518

Tints

Color #647d8f mixed toward white.

#7c93a3

#96a8b6

#b0bec8

#cbd4da

#e5e9ed

Tones

Color #647d8f mixed toward gray.

#677c8b

#6b7c88

#6f7b84

#727b81

#767a7d

Accessibility

Aa White text on this color

4.31:1

Aa Black text on this color

4.87:1

Black text reads better on this background (4.87:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#70708b · ΔE 13.1

Deuteranopia

#6e6c8a · ΔE 14.6

Tritanopia

#658887 · ΔE 11.2

Achromatopsia

#7a7a7a · ΔE 10.9

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

Code

CSS

background-color: #647d8f;

Tailwind (arbitrary value)

bg-[#647d8f]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#647d8f (#647d8f) is rgb(100, 125, 143) in RGB.

No, #647d8f 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.

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 #647d8f, or check how it holds up for accessibility.

Generate a palette → Check contrast