#669cff

Color #669cff

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 6.37 Nearest Tailwind class blue-400 #51a2ff · ΔE 4.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#669cff

RGB

rgb(102, 156, 255)

HSL

hsl(218.8, 100%, 70%)

HSV / HSB

hsv(218.8, 60%, 100%)

CMYK

cmyk(60%, 38.8%, 0%, 0%)

LAB

lab(64.82, 11.43, -54.58)

LCH

lch(64.82, 55.76, 281.83)

OKLCH

oklch(70%, 0.1568, 261.6)

HWB

hwb(218.8, 40%, 0%)

Harmony colors

Complementary

#ffc966

Analogous

#66e9ff

#669cff

#7c66ff

Triadic

#669cff

#ff669c

#9cff66

Split-complementary

#669cff

#ff7c66

#e9ff66

Tetradic

#669cff

#c966ff

#ffc966

#9cff66

Square

#669cff

#ff66e9

#ffc966

#66ff7c

Shades

Color #669cff mixed toward black.

#2b76ff

#0054ee

#003fb3

#002a77

#00153b

Tints

Color #669cff mixed toward white.

#80adff

#99bdff

#b3ceff

#ccdeff

#e5efff

Tones

Color #669cff mixed toward gray.

#73a0f2

#7fa4e5

#8ca7d9

#99abcc

#a6afbf

Accessibility

Aa White text on this color

2.7:1

Aa Black text on this color

7.76:1

Black text reads better on this background (7.76:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8181ec · ΔE 11.8

Deuteranopia

#7e79e7 · ΔE 13.9

Tritanopia

#6adbd7 · ΔE 32.1

Achromatopsia

#9d9d9d · ΔE 24.8

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

Code

CSS

background-color: #669cff;

Tailwind (arbitrary value)

bg-[#669cff]

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

#669cff (#669cff) is rgb(102, 156, 255) in RGB.

No, #669cff 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.

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

Generate a palette → Check contrast