Recognised as Colour
#3F138E
- #3F138E
- Violet
- Dark
- Nearest: Indigo
#3F138E is a violet with RGB values 63, 19, 142 and HSL 261°, 76%, 32%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Indigo.
Colour values
#3F138E#3F138E
HEX#3F138E
RGBrgb(63, 19, 142)
RGB (0–1)0.2471, 0.0745, 0.5569
RGB percentages24.7%, 7.5%, 55.7%
HSLhsl(261.5, 76.4%, 31.6%)
HSV / HSBhsv(261.5, 86.6%, 55.7%)
CMYK55.6%, 86.6%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,133,774
CSS custom property--colour: #3F138E;
Brightness & contrast
Relative luminance0.03476WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.39:1
Contrast with white12.39:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#C0EC71
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.39:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#628E13
Analogous#13248E, #7D138E
Triadic#8E3F13, #138E3F
Split complementary#8E7C13, #258E13
Tetradic#8E1324, #628E13, #138E7D
Tints, shades & saturation
Channel breakdown
R63
G19
B142
Red63 (24.7%)
Green19 (7.5%)
Blue142 (55.7%)
Hue261.46°
Saturation (HSL)76.4%
Lightness31.57%
Dominant channelBlue
Hex per channelR 3F · G 13 · B 8E
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