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Colour

#3C1547

  • #3C1547
  • Violet
  • Dark
  • Nearest: Dark slateblue

#3C1547 is a violet with RGB values 60, 21, 71 and HSL 287°, 54%, 18%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3C1547#3C1547
HEX#3C1547
RGBrgb(60, 21, 71)
RGB (0–1)0.2353, 0.0824, 0.2784
RGB percentages23.5%, 8.2%, 27.8%
HSLhsl(286.8, 54.3%, 18%)
HSV / HSBhsv(286.8, 70.4%, 27.8%)
CMYK15.5%, 70.4%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,937,607
CSS custom property--colour: #3C1547;

Brightness & contrast

Relative luminance0.01952WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.1:1
Contrast with white15.1:1WCAG normal text: AAA
Contrast with black1.39:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#C3EAB8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#062449no red cones; affects about 1% of men; ΔE 22.9 from the original
Deuteranopia#172746no green cones; the most common form, about 1% of men; ΔE 23.3 from the original
Tritanopia#3C1E2Bno blue cones; rare, and affects men and women equally; ΔE 23.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.1:1WCAG large text: AAA
Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.8Midnight blue · ΔE 26.9Rebecca purple · ΔE 33.5Purple · ΔE 36.8Indigo · ΔE 38.9Black · ΔE 39.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.76, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#204715
Analogous#231547, #471539
Triadic#473C15, #15473C
Split complementary#394715, #154723
Tetradic#472315, #204715, #153947

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B55ACE
Lighter +30%#A038BD
Lighter +20%#7F2C96
Lighter +10%#5D216E
Darker −10%#1B0920
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#420953
Less saturated −25%#36213C

Channel breakdown

R60
G21
B71
Red60 (23.5%)
Green21 (8.2%)
Blue71 (27.8%)
Hue286.8°
Saturation (HSL)54.35%
Lightness18.04%
Dominant channelBlue
Hex per channelR 3C · G 15 · B 47

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Every value on this page was computed from “3c1547” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.