Recognised as Colour
#04A5BC
- #04A5BC
- Cyan
- Dark
- Nearest: Cadetblue
#04A5BC is a cyan with RGB values 4, 165, 188 and HSL 188°, 96%, 38%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#04A5BC#04A5BC
HEX#04A5BC
RGBrgb(4, 165, 188)
RGB (0–1)0.0157, 0.6471, 0.7373
RGB percentages1.6%, 64.7%, 73.7%
HSLhsl(187.5, 95.8%, 37.6%)
HSV / HSBhsv(187.5, 97.9%, 73.7%)
CMYK97.9%, 12.2%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer304,572
CSS custom property--colour: #04A5BC;
Brightness & contrast
Relative luminance0.30567WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.11:1
Contrast with white2.95:1WCAG normal text: Fail
Contrast with black7.11:1WCAG normal text: AAA
Greyscale equivalent#848484
Inverted#FB5A43
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.95:1WCAG large text: Fail
Contrast with black, large text7.11:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BC1B04
Analogous#04BC77, #0449BC
Triadic#BC04A5, #A5BC04
Split complementary#BC0449, #BC7704
Tetradic#7704BC, #BC1B04, #49BC04
Tints, shades & saturation
Channel breakdown
R4
G165
B188
Red4 (1.6%)
Green165 (64.7%)
Blue188 (73.7%)
Hue187.5°
Saturation (HSL)95.83%
Lightness37.65%
Dominant channelBlue
Hex per channelR 04 · G A5 · B BC
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