#66a1fa

Color #66a1fa

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 4.73 Nearest Tailwind class blue-400 #51a2ff · ΔE 2.8

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Conversions

HEX

#66a1fa

RGB

rgb(102, 161, 250)

HSL

hsl(216.1, 93.7%, 69%)

HSV / HSB

hsv(216.1, 59.2%, 98%)

CMYK

cmyk(59.2%, 35.6%, 0%, 2%)

LAB

lab(65.91, 6.91, -50.11)

LCH

lch(65.91, 50.58, 277.85)

OKLCH

oklch(70.8%, 0.145, 258.38)

HWB

hwb(216.1, 40%, 2%)

Harmony colors

Complementary

#fabf66

Analogous

#66ebfa

#66a1fa

#7566fa

Triadic

#66a1fa

#fa66a1

#a1fa66

Split-complementary

#66a1fa

#fa7566

#ebfa66

Tetradic

#66a1fa

#bf66fa

#fabf66

#a1fa66

Square

#66a1fa

#fa66eb

#fabf66

#66fa75

Shades

Color #66a1fa mixed toward black.

#2d7ef8

#075fe3

#0647aa

#042f72

#021839

Tints

Color #66a1fa mixed toward white.

#7fb1fb

#99c0fc

#b2d0fd

#cce0fd

#e5effe

Tones

Color #66a1fa mixed toward gray.

#72a3ee

#7fa6e1

#8ba8d5

#97abc9

#a4adbc

Accessibility

Aa White text on this color

2.61:1

Aa Black text on this color

8.04:1

Black text reads better on this background (8.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8484e8 · ΔE 13.2

Deuteranopia

#807ce4 · ΔE 15.1

Tritanopia

#6ad9d6 · ΔE 29.8

Achromatopsia

#a0a0a0 · ΔE 23.7

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

Code

CSS

background-color: #66a1fa;

Tailwind (arbitrary value)

bg-[#66a1fa]

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

#66a1fa (#66a1fa) is rgb(102, 161, 250) in RGB.

No, #66a1fa 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 #66a1fa, or check how it holds up for accessibility.

Generate a palette → Check contrast