#688ce1

Color #688ce1

A moderately saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 4.26 Nearest Tailwind class indigo-400 #7c86ff · ΔE 6.3

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Conversions

HEX

#688ce1

RGB

rgb(104, 140, 225)

HSL

hsl(222.1, 66.9%, 64.5%)

HSV / HSB

hsv(222.1, 53.8%, 88.2%)

CMYK

cmyk(53.8%, 37.8%, 0%, 11.8%)

LAB

lab(59.1, 11.64, -47.11)

LCH

lch(59.1, 48.53, 283.88)

OKLCH

oklch(65.1%, 0.1338, 265.5)

HWB

hwb(222.1, 40.8%, 11.8%)

Harmony colors

Complementary

#e1bd68

Analogous

#68c9e1

#688ce1

#8068e1

Triadic

#688ce1

#e1688c

#8ce168

Split-complementary

#688ce1

#e18068

#c9e168

Tetradic

#688ce1

#bd68e1

#e1bd68

#8ce168

Square

#688ce1

#e168c9

#e1bd68

#68e180

Shades

Color #688ce1 mixed toward black.

#3a69d8

#2450b7

#1b3c89

#12285c

#09142e

Tints

Color #688ce1 mixed toward white.

#819fe6

#9ab2eb

#b3c6f0

#cdd9f5

#e6ecfa

Tones

Color #688ce1 mixed toward gray.

#7290d7

#7c94cd

#8698c3

#909cb9

#9aa0af

Accessibility

Aa White text on this color

3.27:1

Aa Black text on this color

6.43:1

Black text reads better on this background (6.43:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#797ad1 · ΔE 8.6

Deuteranopia

#7774cc · ΔE 10.4

Tritanopia

#6ac2bf · ΔE 30

Achromatopsia

#8e8e8e · ΔE 23.3

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

Code

CSS

background-color: #688ce1;

Tailwind (arbitrary value)

bg-[#688ce1]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#688ce1 (#688ce1) is rgb(104, 140, 225) in RGB.

No, #688ce1 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 #688ce1, or check how it holds up for accessibility.

Generate a palette → Check contrast