#66b7ca

Color #66b7ca

A moderately saturated medium cyan.

Closest named color Sky Blue #87ceeb · ΔE 11.02 Nearest Tailwind class cyan-500 #00b8db · ΔE 5.5

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Conversions

HEX

#66b7ca

RGB

rgb(102, 183, 202)

HSL

hsl(191.4, 48.5%, 59.6%)

HSV / HSB

hsv(191.4, 49.5%, 79.2%)

CMYK

cmyk(49.5%, 9.4%, 0%, 20.8%)

LAB

lab(70.14, -19.64, -17.27)

LCH

lch(70.14, 26.15, 221.33)

OKLCH

oklch(73.5%, 0.0838, 214.7)

HWB

hwb(191.4, 40%, 20.8%)

Harmony colors

Complementary

#ca7966

Analogous

#66caab

#66b7ca

#6685ca

Triadic

#66b7ca

#ca66b7

#b7ca66

Split-complementary

#66b7ca

#ca6685

#caab66

Tetradic

#66b7ca

#7966ca

#ca7966

#b7ca66

Square

#66b7ca

#ab66ca

#ca7966

#85ca66

Shades

Color #66b7ca mixed toward black.

#41a5bc

#348496

#276371

#1a424b

#0d2126

Tints

Color #66b7ca mixed toward white.

#80c3d3

#99cfdc

#b3dbe4

#cce7ed

#e6f3f6

Tones

Color #66b7ca mixed toward gray.

#6eb2c2

#77adb9

#7fa7b1

#87a2a9

#909da0

Accessibility

Aa White text on this color

2.28:1

Aa Black text on this color

9.19:1

Black text reads better on this background (9.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9091c6 · ΔE 23.8

Deuteranopia

#8c85c5 · ΔE 26

Tritanopia

#6cc2c1 · ΔE 8.4

Achromatopsia

#ababab · ΔE 19

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

Code

CSS

background-color: #66b7ca;

Tailwind (arbitrary value)

bg-[#66b7ca]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Powder Blue #b0e0e6

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#66b7ca (#66b7ca) is rgb(102, 183, 202) in RGB.

No, #66b7ca 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.

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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 #66b7ca, or check how it holds up for accessibility.

Generate a palette → Check contrast