Recognised as Colour
#3705A5
- #3705A5
- Violet
- Dark
- Nearest: Dark blue
#3705A5 is a violet with RGB values 55, 5, 165 and HSL 259°, 94%, 33%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#3705A5#3705A5
HEX#3705A5
RGBrgb(55, 5, 165)
RGB (0–1)0.2157, 0.0196, 0.6471
RGB percentages21.6%, 2%, 64.7%
HSLhsl(258.8, 94.1%, 33.3%)
HSV / HSBhsv(258.8, 97%, 64.7%)
CMYK66.7%, 97%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,605,925
CSS custom property--colour: #3705A5;
Brightness & contrast
Relative luminance0.03637WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.16:1
Contrast with white12.16:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#C8FA5A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.16:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#73A505
Analogous#0523A5, #8705A5
Triadic#A53705, #05A537
Split complementary#A58705, #23A505
Tetradic#A50523, #73A505, #05A587
Tints, shades & saturation
Channel breakdown
R55
G5
B165
Red55 (21.6%)
Green5 (2%)
Blue165 (64.7%)
Hue258.75°
Saturation (HSL)94.12%
Lightness33.33%
Dominant channelBlue
Hex per channelR 37 · G 05 · B A5
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