#66c3ff

Color #66c3ff

A vivid, highly saturated light blue.

Closest named color Deep Sky Blue #00bfff · ΔE 9.13 Nearest Tailwind class sky-400 #00bcff · ΔE 4.7

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

Conversions

HEX

#66c3ff

RGB

rgb(102, 195, 255)

HSL

hsl(203.5, 100%, 70%)

HSV / HSB

hsv(203.5, 60%, 100%)

CMYK

cmyk(60%, 23.5%, 0%, 0%)

LAB

lab(75.5, -10.43, -37.81)

LCH

lch(75.5, 39.22, 254.58)

OKLCH

oklch(78.4%, 0.1233, 239.28)

HWB

hwb(203.5, 40%, 0%)

Harmony colors

Complementary

#ffa266

Analogous

#66ffee

#66c3ff

#6677ff

Triadic

#66c3ff

#ff66c3

#c3ff66

Split-complementary

#66c3ff

#ff6677

#ffee66

Tetradic

#66c3ff

#a266ff

#ffa266

#c3ff66

Square

#66c3ff

#ee66ff

#ffa266

#77ff66

Shades

Color #66c3ff mixed toward black.

#2bacff

#0091ee

#006db3

#004877

#00243b

Tints

Color #66c3ff mixed toward white.

#80cdff

#99d7ff

#b3e1ff

#ccebff

#e5f5ff

Tones

Color #66c3ff mixed toward gray.

#73c0f2

#7fbee5

#8cbbd9

#99b8cc

#a6b5bf

Accessibility

Aa White text on this color

1.94:1

Aa Black text on this color

10.81:1

Black text reads better on this background (10.81:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9798f2 · ΔE 20.3

Deuteranopia

#928bef · ΔE 23

Tritanopia

#6de8e5 · ΔE 21.6

Achromatopsia

#bababa · ΔE 21.1

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

Code

CSS

background-color: #66c3ff;

Tailwind (arbitrary value)

bg-[#66c3ff]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#66c3ff (#66c3ff) is rgb(102, 195, 255) in RGB.

No, #66c3ff 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.

Try it → Accessibility

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.

Try it →

Build something with this color

Generate a full palette from #66c3ff, or check how it holds up for accessibility.

Generate a palette → Check contrast