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Recognised as Colour

#3F1387

  • #3F1387
  • Violet
  • Dark
  • Nearest: Indigo

#3F1387 is a violet with RGB values 63, 19, 135 and HSL 263°, 75%, 30%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#3F1387#3F1387
HEX#3F1387
RGBrgb(63, 19, 135)
RGB (0–1)0.2471, 0.0745, 0.5294
RGB percentages24.7%, 7.5%, 52.9%
HSLhsl(262.8, 75.3%, 30.2%)
HSV / HSBhsv(262.8, 85.9%, 52.9%)
CMYK53.3%, 85.9%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,133,767
CSS custom property--colour: #3F1387;

Brightness & contrast

Relative luminance0.03272WCAG 2.x, 0 is black and 1 is white
Perceived brightness59 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.69:1
Contrast with white12.69:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#C0EC78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00348Ano red cones; affects about 1% of men; ΔE 24.7 from the original
Deuteranopia#003085no green cones; the most common form, about 1% of men; ΔE 23.9 from the original
Tritanopia#25374Fno blue cones; rare, and affects men and women equally; ΔE 59.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.69:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Indigo · ΔE 6Navy · ΔE 12.4Rebecca purple · ΔE 14.8Dark blue · ΔE 15.2Midnight blue · ΔE 16.5Purple · ΔE 24.5
Nearest named CSS colourIndigo (#4B0082)ΔE 5.97, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B8713
Analogous#132187, #791387
Triadic#873F13, #13873F
Split complementary#877913, #218713
Tetradic#871321, #5B8713, #138779

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A57AEC
Lighter +30%#874DE6
Lighter +20%#6920E0
Lighter +10%#5419B4
Darker −10%#2A0D5A
Darker −20%#15062E
Darker −30%#000001
Darker −40%#000000
More saturated +25%#3A009A
Less saturated −25%#442674

Channel breakdown

R63
G19
B135
Red63 (24.7%)
Green19 (7.5%)
Blue135 (52.9%)
Hue262.76°
Saturation (HSL)75.32%
Lightness30.2%
Dominant channelBlue
Hex per channelR 3F · G 13 · B 87

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Every value on this page was computed from “3f1387” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.