#669dee

Color #669dee

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 5.54 Nearest Tailwind class blue-400 #51a2ff · ΔE 3.4

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Conversions

HEX

#669dee

RGB

rgb(102, 157, 238)

HSL

hsl(215.7, 80%, 66.7%)

HSV / HSB

hsv(215.7, 57.1%, 93.3%)

CMYK

cmyk(57.1%, 34%, 0%, 6.7%)

LAB

lab(64.25, 5.39, -46.17)

LCH

lch(64.25, 46.48, 276.66)

OKLCH

oklch(69.3%, 0.1334, 257.93)

HWB

hwb(215.7, 40%, 6.7%)

Harmony colors

Complementary

#eeb766

Analogous

#66e1ee

#669dee

#7366ee

Triadic

#669dee

#ee669d

#9dee66

Split-complementary

#669dee

#ee7366

#e1ee66

Tetradic

#669dee

#b766ee

#eeb766

#9dee66

Square

#669dee

#ee66e1

#eeb766

#66ee73

Shades

Color #669dee mixed toward black.

#337de8

#1760cc

#114899

#0b3066

#061833

Tints

Color #669dee mixed toward white.

#80adf1

#99bef4

#b3cef7

#ccdef9

#e6effc

Tones

Color #669dee mixed toward gray.

#719fe3

#7da1d7

#88a4cc

#93a6c1

#9fa8b5

Accessibility

Aa White text on this color

2.76:1

Aa Black text on this color

7.62:1

Black text reads better on this background (7.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8182de · ΔE 12.6

Deuteranopia

#7e7ada · ΔE 14.7

Tritanopia

#6ad0cd · ΔE 28.4

Achromatopsia

#9c9c9c · ΔE 22.8

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

Code

CSS

background-color: #669dee;

Tailwind (arbitrary value)

bg-[#669dee]

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

#669dee (#669dee) is rgb(102, 157, 238) in RGB.

No, #669dee 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.

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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 #669dee, or check how it holds up for accessibility.

Generate a palette → Check contrast