Recognised as Colour
#00A4B3
- #00A4B3
- Cyan
- Dark
- Nearest: Dark cyan
#00A4B3 is a cyan with RGB values 0, 164, 179 and HSL 185°, 100%, 35%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#00A4B3#00A4B3
HEX#00A4B3
RGBrgb(0, 164, 179)
RGB (0–1)0, 0.6431, 0.702
RGB percentages0%, 64.3%, 70.2%
HSLhsl(185, 100%, 35.1%)
HSV / HSBhsv(185, 100%, 70.2%)
CMYK100%, 8.4%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer42,163
CSS custom property--colour: #00A4B3;
Brightness & contrast
Relative luminance0.29806WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.96:1
Contrast with white3.02:1WCAG normal text: Fail
Contrast with black6.96:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#FF5B4C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.02:1WCAG large text: AA
Contrast with black, large text6.96:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B30F00
Analogous#00B368, #004BB3
Triadic#B300A4, #A4B300
Split complementary#B3004B, #B36800
Tetradic#6800B3, #B30F00, #4BB300
Tints, shades & saturation
Channel breakdown
R0
G164
B179
Red0 (0%)
Green164 (64.3%)
Blue179 (70.2%)
Hue185.03°
Saturation (HSL)100%
Lightness35.1%
Dominant channelBlue
Hex per channelR 00 · G A4 · B B3
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