Recognised as Colour
#428D7E
- #428D7E
- Cyan
- Dark
- Nearest: Dark cyan
#428D7E is a cyan with RGB values 66, 141, 126 and HSL 168°, 36%, 41%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#428D7E#428D7E
HEX#428D7E
RGBrgb(66, 141, 126)
RGB (0–1)0.2588, 0.5529, 0.4941
RGB percentages25.9%, 55.3%, 49.4%
HSLhsl(168, 36.2%, 40.6%)
HSV / HSBhsv(168, 53.2%, 55.3%)
CMYK53.2%, 0%, 10.6%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,361,598
CSS custom property--colour: #428D7E;
Brightness & contrast
Relative luminance0.21714WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#BD7281
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8D4251
Analogous#428D58, #42778D
Triadic#7E428D, #8D7E42
Split complementary#8D4277, #8D5942
Tetradic#58428D, #8D4251, #768D42
Tints, shades & saturation
Channel breakdown
R66
G141
B126
Red66 (25.9%)
Green141 (55.3%)
Blue126 (49.4%)
Hue168°
Saturation (HSL)36.23%
Lightness40.59%
Dominant channelGreen
Hex per channelR 42 · G 8D · B 7E
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