#66c5df

Color #66c5df

A moderately saturated light cyan.

Closest named color Sky Blue #87ceeb · ΔE 7.48 Nearest Tailwind class cyan-400 #00d3f2 · ΔE 5.5

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

Conversions

HEX

#66c5df

RGB

rgb(102, 197, 223)

HSL

hsl(192.9, 65.4%, 63.7%)

HSV / HSB

hsv(192.9, 54.3%, 87.5%)

CMYK

cmyk(54.3%, 11.7%, 0%, 12.5%)

LAB

lab(74.88, -20.93, -21.53)

LCH

lch(74.88, 30.03, 225.81)

OKLCH

oklch(77.5%, 0.097, 218)

HWB

hwb(192.9, 40%, 12.5%)

Harmony colors

Complementary

#df8066

Analogous

#66dfbc

#66c5df

#6688df

Triadic

#66c5df

#df66c5

#c5df66

Split-complementary

#66c5df

#df6688

#dfbc66

Tetradic

#66c5df

#8066df

#df8066

#c5df66

Square

#66c5df

#bc66df

#df8066

#88df66

Shades

Color #66c5df mixed toward black.

#39b4d6

#2595b3

#1c6f86

#134a5a

#09252d

Tints

Color #66c5df mixed toward white.

#7fcfe4

#99d8ea

#b2e2ef

#ccecf4

#e5f5fa

Tones

Color #66c5df mixed toward gray.

#70bfd5

#7ab9cb

#84b4c1

#8eaeb7

#98a8ad

Accessibility

Aa White text on this color

1.98:1

Aa Black text on this color

10.62:1

Black text reads better on this background (10.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#999ad9 · ΔE 24.3

Deuteranopia

#938cd8 · ΔE 26.7

Tritanopia

#6dd4d3 · ΔE 10.5

Achromatopsia

#b8b8b8 · ΔE 20.1

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

Code

CSS

background-color: #66c5df;

Tailwind (arbitrary value)

bg-[#66c5df]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#66c5df (#66c5df) is rgb(102, 197, 223) in RGB.

No, #66c5df 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 #66c5df, or check how it holds up for accessibility.

Generate a palette → Check contrast