Recognised as Colour
#04A5BA
- #04A5BA
- Cyan
- Dark
- Nearest: Dark cyan
#04A5BA is a cyan with RGB values 4, 165, 186 and HSL 187°, 96%, 37%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark cyan.
Colour values
#04A5BA#04A5BA
HEX#04A5BA
RGBrgb(4, 165, 186)
RGB (0–1)0.0157, 0.6471, 0.7294
RGB percentages1.6%, 64.7%, 72.9%
HSLhsl(186.9, 95.8%, 37.3%)
HSV / HSBhsv(186.9, 97.8%, 72.9%)
CMYK97.8%, 11.3%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer304,570
CSS custom property--colour: #04A5BA;
Brightness & contrast
Relative luminance0.30481WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.1:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.1:1WCAG normal text: AAA
Greyscale equivalent#848484
Inverted#FB5A45
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.1:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BA1904
Analogous#04BA74, #044ABA
Triadic#BA04A5, #A5BA04
Split complementary#BA044A, #BA7404
Tetradic#7404BA, #BA1904, #4ABA04
Tints, shades & saturation
Channel breakdown
R4
G165
B186
Red4 (1.6%)
Green165 (64.7%)
Blue186 (72.9%)
Hue186.92°
Saturation (HSL)95.79%
Lightness37.25%
Dominant channelBlue
Hex per channelR 04 · G A5 · B BA
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