Cyan Family
Medium Brightness
Luminance 21.1%
#428A87 · Alpine Aquamarine
RGB(66, 138, 135) • HSL(178°, 35%, 40%) • CMYK(52%, 0%, 2%, 46%)
Color Conversion & Technical Formats
HEX
#428A87
RGB
rgb(66, 138, 135)
HSL
hsl(178, 35%, 40%)
HSV / HSB
hsv(178°, 52%, 54%)
CMYK
cmyk(52%, 0%, 2%, 46%)
CSS Variable
--color-alpine-aquamarine: #428a87;
Color Variations (Tints, Shades & Tones)
Click any variation swatch to inspect its full color page, or click the HEX badge to copy.
Color Combinations & Harmonies
WCAG Contrast Checker
On White #FFFFFF
4.03 : 1
Low Contrast
On Black #000000
5.22 : 1
WCAG AA Pass