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Colour

#4D1C81

  • #4D1C81
  • Violet
  • Dark
  • Nearest: Rebecca purple

#4D1C81 is a violet with RGB values 77, 28, 129 and HSL 269°, 64%, 31%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#4D1C81#4D1C81
HEX#4D1C81
RGBrgb(77, 28, 129)
RGB (0–1)0.302, 0.1098, 0.5059
RGB percentages30.2%, 11%, 50.6%
HSLhsl(269.1, 64.3%, 30.8%)
HSV / HSBhsv(269.1, 78.3%, 50.6%)
CMYK40.3%, 78.3%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,053,569
CSS custom property--colour: #4D1C81;

Brightness & contrast

Relative luminance0.03993WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.68:1
Contrast with white11.68:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#B2E37E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003884no red cones; affects about 1% of men; ΔE 26.5 from the original
Deuteranopia#00387Fno green cones; the most common form, about 1% of men; ΔE 28.8 from the original
Tritanopia#41364Dno blue cones; rare, and affects men and women equally; ΔE 48.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.68:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 9.3Indigo · ΔE 11Midnight blue · ΔE 13.8Dark slateblue · ΔE 19.1Purple · ΔE 20.3Navy · ΔE 20.8
Nearest named CSS colourRebecca purple (#663399)ΔE 9.26, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#50811C
Analogous#1C1E81, #7F1C81
Triadic#814D1C, #1C814D
Split complementary#817F1C, #1E811C
Tetradic#811C1E, #50811C, #1C817F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B385E4
Lighter +30%#995BDB
Lighter +20%#7F31D2
Lighter +10%#6625AB
Darker −10%#341357
Darker −20%#1B0A2D
Darker −30%#020103
Darker −40%#000000
More saturated +25%#4C0895
Less saturated −25%#4E306D

Channel breakdown

R77
G28
B129
Red77 (30.2%)
Green28 (11%)
Blue129 (50.6%)
Hue269.11°
Saturation (HSL)64.33%
Lightness30.78%
Dominant channelBlue
Hex per channelR 4D · G 1C · B 81

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Every value on this page was computed from “4d1c81” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.