#688cc8

Color #688cc8

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 10.08 Nearest Tailwind class blue-500 #2b7fff · ΔE 7.3

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Conversions

HEX

#688cc8

RGB

rgb(104, 140, 200)

HSL

hsl(217.5, 46.6%, 59.6%)

HSV / HSB

hsv(217.5, 48%, 78.4%)

CMYK

cmyk(48%, 30%, 0%, 21.6%)

LAB

lab(57.91, 3.94, -34.95)

LCH

lch(57.91, 35.17, 276.43)

OKLCH

oklch(63.8%, 0.0994, 260.27)

HWB

hwb(217.5, 40.8%, 21.6%)

Harmony colors

Complementary

#c8a468

Analogous

#68bcc8

#688cc8

#7468c8

Triadic

#688cc8

#c8688c

#8cc868

Split-complementary

#688cc8

#c87468

#bcc868

Tetradic

#688cc8

#a468c8

#c8a468

#8cc868

Square

#688cc8

#c868bc

#c8a468

#68c874

Shades

Color #688cc8 mixed toward black.

#4470ba

#365a95

#29436f

#1b2d4a

#0e1625

Tints

Color #688cc8 mixed toward white.

#819fd1

#9ab2da

#b3c5e3

#cdd9ed

#e6ecf6

Tones

Color #688cc8 mixed toward gray.

#708ec0

#7890b8

#8092b0

#8894a8

#9096a0

Accessibility

Aa White text on this color

3.4:1

Aa Black text on this color

6.17:1

Black text reads better on this background (6.17:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#797abc · ΔE 9.5

Deuteranopia

#7774b9 · ΔE 11.2

Tritanopia

#6ab1af · ΔE 24.5

Achromatopsia

#8b8b8b · ΔE 19.7

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

Code

CSS

background-color: #688cc8;

Tailwind (arbitrary value)

bg-[#688cc8]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#688cc8 (#688cc8) is rgb(104, 140, 200) in RGB.

No, #688cc8 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.

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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 #688cc8, or check how it holds up for accessibility.

Generate a palette → Check contrast