#66a2b2

Color #66a2b2

A muted medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 8.55 Nearest Tailwind class cyan-500 #00b8db · ΔE 9.1

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

Conversions

HEX

#66a2b2

RGB

rgb(102, 162, 178)

HSL

hsl(192.6, 33%, 54.9%)

HSV / HSB

hsv(192.6, 42.7%, 69.8%)

CMYK

cmyk(42.7%, 9%, 0%, 30.2%)

LAB

lab(63.24, -15.19, -14.39)

LCH

lch(63.24, 20.92, 223.45)

OKLCH

oklch(67.7%, 0.0665, 216.56)

HWB

hwb(192.6, 40%, 30.2%)

Harmony colors

Complementary

#b27666

Analogous

#66b29c

#66a2b2

#667cb2

Triadic

#66a2b2

#b266a2

#a2b266

Split-complementary

#66a2b2

#b2667c

#b29c66

Tetradic

#66a2b2

#7666b2

#b27666

#a2b266

Square

#66a2b2

#9c66b2

#b27666

#7cb266

Shades

Color #66a2b2 mixed toward black.

#4e8b9b

#3f6f7c

#2f535d

#1f383e

#101c1f

Tints

Color #66a2b2 mixed toward white.

#80b2bf

#99c1cc

#b3d1d8

#cce0e5

#e6f0f2

Tones

Color #66a2b2 mixed toward gray.

#6c9eac

#739ba5

#79979f

#7f9399

#869092

Accessibility

Aa White text on this color

2.85:1

Aa Black text on this color

7.38:1

Black text reads better on this background (7.38:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8485ae · ΔE 22

Deuteranopia

#817cad · ΔE 23.8

Tritanopia

#6aabab · ΔE 7.5

Achromatopsia

#999999 · ΔE 16.7

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

Code

CSS

background-color: #66a2b2;

Tailwind (arbitrary value)

bg-[#66a2b2]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Cadet Blue #5f9ea0

Frequently asked questions

#66a2b2 (#66a2b2) is rgb(102, 162, 178) in RGB.

No, #66a2b2 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 #66a2b2, or check how it holds up for accessibility.

Generate a palette → Check contrast