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Recognised as Colour

#4C2179

  • #4C2179
  • Violet
  • Dark
  • Nearest: Rebecca purple

#4C2179 is a violet with RGB values 76, 33, 121 and HSL 269°, 57%, 30%. 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

#4C2179#4C2179
HEX#4C2179
RGBrgb(76, 33, 121)
RGB (0–1)0.298, 0.1294, 0.4745
RGB percentages29.8%, 12.9%, 47.5%
HSLhsl(269.3, 57.1%, 30.2%)
HSV / HSBhsv(269.3, 72.7%, 47.5%)
CMYK37.2%, 72.7%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,989,305
CSS custom property--colour: #4C2179;

Brightness & contrast

Relative luminance0.04005WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.66:1
Contrast with white11.66:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#B3DE86

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00387Cno red cones; affects about 1% of men; ΔE 25.2 from the original
Deuteranopia#003877no green cones; the most common form, about 1% of men; ΔE 27.5 from the original
Tritanopia#43364Ano blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.66:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11.4Midnight blue · ΔE 12.5Dark slateblue · ΔE 14.2Indigo · ΔE 17.6Purple · ΔE 22.3Dark magenta · ΔE 26.1
Nearest named CSS colourRebecca purple (#663399)ΔE 11.38, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E7921
Analogous#212279, #782179
Triadic#794C21, #21794C
Split complementary#797821, #227921
Tetradic#792122, #4E7921, #217978

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B288DE
Lighter +30%#985FD3
Lighter +20%#7E37C9
Lighter +10%#652CA1
Darker −10%#331651
Darker −20%#1A0B29
Darker −30%#000001
Darker −40%#000000
More saturated +25%#4C0E8C
Less saturated −25%#4C3466

Channel breakdown

R76
G33
B121
Red76 (29.8%)
Green33 (12.9%)
Blue121 (47.5%)
Hue269.32°
Saturation (HSL)57.14%
Lightness30.2%
Dominant channelBlue
Hex per channelR 4C · G 21 · B 79

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Every value on this page was computed from “4c2179” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.