Recognised as Colour
#04ACC5
- #04ACC5
- Cyan
- Dark
- Nearest: Cadetblue
#04ACC5 is a cyan with RGB values 4, 172, 197 and HSL 188°, 96%, 39%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#04ACC5#04ACC5
HEX#04ACC5
RGBrgb(4, 172, 197)
RGB (0–1)0.0157, 0.6745, 0.7725
RGB percentages1.6%, 67.5%, 77.3%
HSLhsl(187.8, 96%, 39.4%)
HSV / HSBhsv(187.8, 98%, 77.3%)
CMYK98%, 12.7%, 0%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer306,373
CSS custom property--colour: #04ACC5;
Brightness & contrast
Relative luminance0.33562WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.71:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.71:1WCAG normal text: AAA
Greyscale equivalent#8A8A8A
Inverted#FB533A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.72:1WCAG large text: Fail
Contrast with black, large text7.71:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#C51D04
Analogous#04C57D, #044CC5
Triadic#C504AC, #ACC504
Split complementary#C5044C, #C57D04
Tetradic#7D04C5, #C51D04, #4CC504
Tints, shades & saturation
Channel breakdown
R4
G172
B197
Red4 (1.6%)
Green172 (67.5%)
Blue197 (77.3%)
Hue187.77°
Saturation (HSL)96.02%
Lightness39.41%
Dominant channelBlue
Hex per channelR 04 · G AC · B C5
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