Recognised as Colour
#1789A2
- #1789A2
- Cyan
- Dark
- Nearest: Dark cyan
#1789A2 is a cyan with RGB values 23, 137, 162 and HSL 191°, 75%, 36%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#1789A2#1789A2
HEX#1789A2
RGBrgb(23, 137, 162)
RGB (0–1)0.0902, 0.5373, 0.6353
RGB percentages9%, 53.7%, 63.5%
HSLhsl(190.8, 75.1%, 36.3%)
HSV / HSBhsv(190.8, 85.8%, 63.5%)
CMYK85.8%, 15.4%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,542,562
CSS custom property--colour: #1789A2;
Brightness & contrast
Relative luminance0.20682WCAG 2.x, 0 is black and 1 is white
Perceived brightness119 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.14:1
Contrast with white4.09:1WCAG normal text: Fail
Contrast with black5.14:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#E8765D
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.09:1WCAG large text: AA
Contrast with black, large text5.14:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A23017
Analogous#17A276, #1743A2
Triadic#A21789, #89A217
Split complementary#A21743, #A27617
Tetradic#7617A2, #A23017, #44A217
Tints, shades & saturation
Channel breakdown
R23
G137
B162
Red23 (9%)
Green137 (53.7%)
Blue162 (63.5%)
Hue190.79°
Saturation (HSL)75.14%
Lightness36.27%
Dominant channelBlue
Hex per channelR 17 · G 89 · B A2
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