Colour
#428A98
- #428A98
- Cyan
- Dark
- Nearest: Cadetblue
#428A98 is a cyan with RGB values 66, 138, 152 and HSL 190°, 39%, 43%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#428A98#428A98
HEX#428A98
RGBrgb(66, 138, 152)
RGB (0–1)0.2588, 0.5412, 0.5961
RGB percentages25.9%, 54.1%, 59.6%
HSLhsl(189.8, 39.4%, 42.7%)
HSV / HSBhsv(189.8, 56.6%, 59.6%)
CMYK56.6%, 9.2%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,360,856
CSS custom property--colour: #428A98;
Brightness & contrast
Relative luminance0.21602WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.32:1
Contrast with white3.95:1WCAG normal text: Fail
Contrast with black5.32:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#BD7567
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.95:1WCAG large text: AA
Contrast with black, large text5.32:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#985042
Analogous#42987B, #425F98
Triadic#98428A, #8A9842
Split complementary#98425F, #987B42
Tetradic#7B4298, #985042, #5F9842
Tints, shades & saturation
Channel breakdown
R66
G138
B152
Red66 (25.9%)
Green138 (54.1%)
Blue152 (59.6%)
Hue189.77°
Saturation (HSL)39.45%
Lightness42.75%
Dominant channelBlue
Hex per channelR 42 · G 8A · B 98
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