#687c9b

Color #687c9b

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 8.93 Nearest Tailwind class slate-500 #62748e · ΔE 3.5

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

Conversions

HEX

#687c9b

RGB

rgb(104, 124, 155)

HSL

hsl(216.5, 20.3%, 50.8%)

HSV / HSB

hsv(216.5, 32.9%, 60.8%)

CMYK

cmyk(32.9%, 20%, 0%, 39.2%)

LAB

lab(51.52, 0.43, -19.02)

LCH

lch(51.52, 19.02, 271.3)

OKLCH

oklch(58.2%, 0.0534, 259.09)

HWB

hwb(216.5, 40.8%, 39.2%)

Harmony colors

Complementary

#9b8768

Analogous

#68959b

#687c9b

#6e689b

Triadic

#687c9b

#9b687c

#7c9b68

Split-complementary

#687c9b

#9b6e68

#959b68

Tetradic

#687c9b

#87689b

#9b8768

#7c9b68

Square

#687c9b

#9b6895

#9b8768

#689b6e

Shades

Color #687c9b mixed toward black.

#566782

#455368

#343e4e

#222934

#11151a

Tints

Color #687c9b mixed toward white.

#8192ac

#9aa8bc

#b4becd

#cdd3de

#e6e9ee

Tones

Color #687c9b mixed toward gray.

#6c7d97

#717e93

#757f8e

#79808a

#7d8186

Accessibility

Aa White text on this color

4.25:1

Aa Black text on this color

4.94:1

Black text reads better on this background (4.94:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#717194 · ΔE 8.5

Deuteranopia

#706e93 · ΔE 9.6

Tritanopia

#698f8d · ΔE 18

Achromatopsia

#7b7b7b · ΔE 13.3

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

Code

CSS

background-color: #687c9b;

Tailwind (arbitrary value)

bg-[#687c9b]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#687c9b (#687c9b) is rgb(104, 124, 155) in RGB.

No, #687c9b is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #687c9b, or check how it holds up for accessibility.

Generate a palette → Check contrast