#668bbf

Color #668bbf

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 7.22 Nearest Tailwind class blue-500 #2b7fff · ΔE 7.3

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Conversions

HEX

#668bbf

RGB

rgb(102, 139, 191)

HSL

hsl(215.1, 41%, 57.5%)

HSV / HSB

hsv(215.1, 46.6%, 74.9%)

CMYK

cmyk(46.6%, 27.2%, 0%, 25.1%)

LAB

lab(57.12, 1.33, -31.1)

LCH

lch(57.12, 31.13, 272.45)

OKLCH

oklch(63.1%, 0.0892, 256.98)

HWB

hwb(215.1, 40%, 25.1%)

Harmony colors

Complementary

#bf9a66

Analogous

#66b8bf

#668bbf

#6e66bf

Triadic

#668bbf

#bf668b

#8bbf66

Split-complementary

#668bbf

#bf6e66

#b8bf66

Tetradic

#668bbf

#9a66bf

#bf9a66

#8bbf66

Square

#668bbf

#bf66b8

#bf9a66

#66bf6e

Shades

Color #668bbf mixed toward black.

#4872ac

#3a5b8a

#2b4467

#1d2d45

#0e1722

Tints

Color #668bbf mixed toward white.

#809eca

#99b2d4

#b3c5df

#ccd8ea

#e6ecf4

Tones

Color #668bbf mixed toward gray.

#6e8cb8

#758eb0

#7c8fa9

#8490a1

#8b919a

Accessibility

Aa White text on this color

3.49:1

Aa Black text on this color

6.01:1

Black text reads better on this background (6.01:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7878b4 · ΔE 10.5

Deuteranopia

#7673b1 · ΔE 11.9

Tritanopia

#68aba9 · ΔE 22.7

Achromatopsia

#898989 · ΔE 18.3

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

Code

CSS

background-color: #668bbf;

Tailwind (arbitrary value)

bg-[#668bbf]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#668bbf (#668bbf) is rgb(102, 139, 191) in RGB.

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

Generate a palette → Check contrast