Recognised as Colour
#259CBB
- #259CBB
- Cyan
- Dark
- Nearest: Cadetblue
#259CBB is a cyan with RGB values 37, 156, 187 and HSL 192°, 67%, 44%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#259CBB#259CBB
HEX#259CBB
RGBrgb(37, 156, 187)
RGB (0–1)0.1451, 0.6118, 0.7333
RGB percentages14.5%, 61.2%, 73.3%
HSLhsl(192.4, 67%, 43.9%)
HSV / HSBhsv(192.4, 80.2%, 73.3%)
CMYK80.2%, 16.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,464,955
CSS custom property--colour: #259CBB;
Brightness & contrast
Relative luminance0.27758WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.55:1
Contrast with white3.21:1WCAG normal text: Fail
Contrast with black6.55:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#DA6344
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.21:1WCAG large text: AA
Contrast with black, large text6.55:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BB4425
Analogous#25BB8F, #2551BB
Triadic#BB259C, #9CBB25
Split complementary#BB2551, #BB8F25
Tetradic#8F25BB, #BB4425, #51BB25
Tints, shades & saturation
Channel breakdown
R37
G156
B187
Red37 (14.5%)
Green156 (61.2%)
Blue187 (73.3%)
Hue192.4°
Saturation (HSL)66.96%
Lightness43.92%
Dominant channelBlue
Hex per channelR 25 · G 9C · B BB
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