Recognised as Colour
#3F9BAD
- #3F9BAD
- Cyan
- Dark
- Nearest: Cadetblue
#3F9BAD is a cyan with RGB values 63, 155, 173 and HSL 190°, 47%, 46%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#3F9BAD#3F9BAD
HEX#3F9BAD
RGBrgb(63, 155, 173)
RGB (0–1)0.2471, 0.6078, 0.6784
RGB percentages24.7%, 60.8%, 67.8%
HSLhsl(189.8, 46.6%, 46.3%)
HSV / HSBhsv(189.8, 63.6%, 67.8%)
CMYK63.6%, 10.4%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,168,621
CSS custom property--colour: #3F9BAD;
Brightness & contrast
Relative luminance0.27517WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.5:1
Contrast with white3.23:1WCAG normal text: Fail
Contrast with black6.5:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#C06452
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.23:1WCAG large text: AA
Contrast with black, large text6.5:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AD513F
Analogous#3FAD88, #3F64AD
Triadic#AD3F9B, #9BAD3F
Split complementary#AD3F64, #AD883F
Tetradic#883FAD, #AD513F, #64AD3F
Tints, shades & saturation
Channel breakdown
R63
G155
B173
Red63 (24.7%)
Green155 (60.8%)
Blue173 (67.8%)
Hue189.82°
Saturation (HSL)46.61%
Lightness46.27%
Dominant channelBlue
Hex per channelR 3F · G 9B · B AD
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