#668bcd

Color #668bcd

A moderately saturated light blue.

Closest named color Steel Blue #4682b4 · ΔE 12.45 Nearest Tailwind class blue-500 #2b7fff · ΔE 6.7

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Conversions

HEX

#668bcd

RGB

rgb(102, 139, 205)

HSL

hsl(218.4, 50.7%, 60.2%)

HSV / HSB

hsv(218.4, 50.2%, 80.4%)

CMYK

cmyk(50.2%, 32.2%, 0%, 19.6%)

LAB

lab(57.75, 5.56, -38.04)

LCH

lch(57.75, 38.44, 278.32)

OKLCH

oklch(63.7%, 0.1082, 261.44)

HWB

hwb(218.4, 40%, 19.6%)

Harmony colors

Complementary

#cda866

Analogous

#66bfcd

#668bcd

#7466cd

Triadic

#668bcd

#cd668b

#8bcd66

Split-complementary

#668bcd

#cd7466

#bfcd66

Tetradic

#668bcd

#a866cd

#cda866

#8bcd66

Square

#668bcd

#cd66bf

#cda866

#66cd74

Shades

Color #668bcd mixed toward black.

#3f6ec0

#32589a

#264274

#192c4d

#0d1627

Tints

Color #668bcd mixed toward white.

#809ed5

#99b2de

#b3c5e6

#ccd8ee

#e6ecf7

Tones

Color #668bcd mixed toward gray.

#6f8ec4

#7790bc

#8092b3

#8895ab

#9197a2

Accessibility

Aa White text on this color

3.42:1

Aa Black text on this color

6.14:1

Black text reads better on this background (6.14:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7878c0 · ΔE 9.8

Deuteranopia

#7673bc · ΔE 11.2

Tritanopia

#68b4b2 · ΔE 25.9

Achromatopsia

#8b8b8b · ΔE 20.7

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

Code

CSS

background-color: #668bcd;

Tailwind (arbitrary value)

bg-[#668bcd]

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

#668bcd (#668bcd) is rgb(102, 139, 205) in RGB.

No, #668bcd 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 #668bcd, or check how it holds up for accessibility.

Generate a palette → Check contrast