Colour
#258AA8
- #258AA8
- Cyan
- Dark
- Nearest: Steel blue
#258AA8 is a cyan with RGB values 37, 138, 168 and HSL 194°, 64%, 40%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.
Colour values
#258AA8#258AA8
HEX#258AA8
RGBrgb(37, 138, 168)
RGB (0–1)0.1451, 0.5412, 0.6588
RGB percentages14.5%, 54.1%, 65.9%
HSLhsl(193.7, 63.9%, 40.2%)
HSV / HSBhsv(193.7, 78%, 65.9%)
CMYK78%, 17.9%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,460,328
CSS custom property--colour: #258AA8;
Brightness & contrast
Relative luminance0.21397WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.28:1
Contrast with white3.98:1WCAG normal text: Fail
Contrast with black5.28:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#DA7557
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.98:1WCAG large text: AA
Contrast with black, large text5.28:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A84325
Analogous#25A885, #2548A8
Triadic#A8258A, #8AA825
Split complementary#A82548, #A88525
Tetradic#8525A8, #A84325, #48A825
Tints, shades & saturation
Channel breakdown
R37
G138
B168
Red37 (14.5%)
Green138 (54.1%)
Blue168 (65.9%)
Hue193.74°
Saturation (HSL)63.9%
Lightness40.2%
Dominant channelBlue
Hex per channelR 25 · G 8A · B A8
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