#66dbff

Color #66dbff

A vivid, highly saturated light cyan.

Closest named color Sky Blue #87ceeb · ΔE 10.54 Nearest Tailwind class sky-300 #74d4ff · ΔE 3.8

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

Conversions

HEX

#66dbff

RGB

rgb(102, 219, 255)

HSL

hsl(194.1, 100%, 70%)

HSV / HSB

hsv(194.1, 60%, 100%)

CMYK

cmyk(60%, 14.1%, 0%, 0%)

LAB

lab(82.22, -22.84, -27.45)

LCH

lch(82.22, 35.71, 230.24)

OKLCH

oklch(83.8%, 0.1163, 221.06)

HWB

hwb(194.1, 40%, 0%)

Harmony colors

Complementary

#ff8a66

Analogous

#66ffd6

#66dbff

#668fff

Triadic

#66dbff

#ff66db

#dbff66

Split-complementary

#66dbff

#ff668f

#ffd666

Tetradic

#66dbff

#8a66ff

#ff8a66

#dbff66

Square

#66dbff

#d666ff

#ff8a66

#8fff66

Shades

Color #66dbff mixed toward black.

#2bcdff

#00b6ee

#0089b3

#005b77

#002e3b

Tints

Color #66dbff mixed toward white.

#80e1ff

#99e7ff

#b3edff

#ccf3ff

#e5f9ff

Tones

Color #66dbff mixed toward gray.

#73d4f2

#7fcee5

#8cc7d9

#99c0cc

#a6b9bf

Accessibility

Aa White text on this color

1.6:1

Aa Black text on this color

13.14:1

Black text reads better on this background (13.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#a6a7f7 · ΔE 25.8

Deuteranopia

#9f96f5 · ΔE 28.8

Tritanopia

#70f0ef · ΔE 13.1

Achromatopsia

#cccccc · ΔE 21.4

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

Code

CSS

background-color: #66dbff;

Tailwind (arbitrary value)

bg-[#66dbff]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#66dbff (#66dbff) is rgb(102, 219, 255) in RGB.

No, #66dbff is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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.

Try it → Generators

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 #66dbff, or check how it holds up for accessibility.

Generate a palette → Check contrast