#66a3ac

Color #66a3ac

A muted medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 4.73 Nearest Tailwind class cyan-500 #00b8db · ΔE 10.2

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

Conversions

HEX

#66a3ac

RGB

rgb(102, 163, 172)

HSL

hsl(187.7, 29.7%, 53.7%)

HSV / HSB

hsv(187.7, 40.7%, 67.5%)

CMYK

cmyk(40.7%, 5.2%, 0%, 32.5%)

LAB

lab(63.34, -17.32, -10.88)

LCH

lch(63.34, 20.45, 212.14)

OKLCH

oklch(67.7%, 0.0644, 207.68)

HWB

hwb(187.7, 40%, 32.5%)

Harmony colors

Complementary

#ac6f66

Analogous

#66ac92

#66a3ac

#6680ac

Triadic

#66a3ac

#ac66a3

#a3ac66

Split-complementary

#66a3ac

#ac6680

#ac9266

Tetradic

#66a3ac

#6f66ac

#ac6f66

#a3ac66

Square

#66a3ac

#9266ac

#ac6f66

#80ac66

Shades

Color #66a3ac mixed toward black.

#508b94

#406f76

#305459

#20383b

#101c1e

Tints

Color #66a3ac mixed toward white.

#7fb2ba

#99c2c8

#b2d1d6

#cce0e3

#e5f0f1

Tones

Color #66a3ac mixed toward gray.

#6c9fa6

#729aa0

#77969a

#7d9295

#838d8f

Accessibility

Aa White text on this color

2.84:1

Aa Black text on this color

7.4:1

Black text reads better on this background (7.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8585aa · ΔE 23.9

Deuteranopia

#817ca9 · ΔE 25.8

Tritanopia

#6aa8a8 · ΔE 4.1

Achromatopsia

#999999 · ΔE 17.1

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

Code

CSS

background-color: #66a3ac;

Tailwind (arbitrary value)

bg-[#66a3ac]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Light Blue #add8e6

Deep Sky Blue #00bfff

Aqua #00ffff

Frequently asked questions

#66a3ac (#66a3ac) is rgb(102, 163, 172) in RGB.

No, #66a3ac 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 #66a3ac, or check how it holds up for accessibility.

Generate a palette → Check contrast