#66c3f1

Color #66c3f1

A vivid, highly saturated light cyan.

Closest named color Light Sky Blue #87cefa · ΔE 6.66 Nearest Tailwind class sky-300 #74d4ff · ΔE 4.3

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

Conversions

HEX

#66c3f1

RGB

rgb(102, 195, 241)

HSL

hsl(199.9, 83.2%, 67.3%)

HSV / HSB

hsv(199.9, 57.7%, 94.5%)

CMYK

cmyk(57.7%, 19.1%, 0%, 5.5%)

LAB

lab(74.95, -14.66, -31.13)

LCH

lch(74.95, 34.41, 244.78)

OKLCH

oklch(77.8%, 0.1102, 232.08)

HWB

hwb(199.9, 40%, 5.5%)

Harmony colors

Complementary

#f19466

Analogous

#66f1da

#66c3f1

#667ef1

Triadic

#66c3f1

#f166c3

#c3f166

Split-complementary

#66c3f1

#f1667e

#f1da66

Tetradic

#66c3f1

#9466f1

#f19466

#c3f166

Square

#66c3f1

#da66f1

#f19466

#7ef166

Shades

Color #66c3f1 mixed toward black.

#32aeec

#1392d2

#0e6e9d

#0a4969

#052534

Tints

Color #66c3f1 mixed toward white.

#80cdf3

#99d7f6

#b3e1f8

#ccebfa

#e6f5fd

Tones

Color #66c3f1 mixed toward gray.

#72bfe5

#7dbbda

#89b7ce

#94b3c3

#a0b0b7

Accessibility

Aa White text on this color

1.97:1

Aa Black text on this color

10.64:1

Black text reads better on this background (10.64:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9798e7 · ΔE 21.4

Deuteranopia

#928be4 · ΔE 24

Tritanopia

#6ddfdd · ΔE 17.5

Achromatopsia

#b8b8b8 · ΔE 20.2

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

Code

CSS

background-color: #66c3f1;

Tailwind (arbitrary value)

bg-[#66c3f1]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#66c3f1 (#66c3f1) is rgb(102, 195, 241) in RGB.

No, #66c3f1 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 #66c3f1, or check how it holds up for accessibility.

Generate a palette → Check contrast