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Recognised as Colour

#4C3183

  • #4C3183
  • Violet
  • Dark
  • Nearest: Dark slateblue

#4C3183 is a violet with RGB values 76, 49, 131 and HSL 260°, 46%, 35%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#4C3183#4C3183
HEX#4C3183
RGBrgb(76, 49, 131)
RGB (0–1)0.298, 0.1922, 0.5137
RGB percentages29.8%, 19.2%, 51.4%
HSLhsl(259.8, 45.6%, 35.3%)
HSV / HSBhsv(259.8, 62.6%, 51.4%)
CMYK42%, 62.6%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,993,411
CSS custom property--colour: #4C3183;

Brightness & contrast

Relative luminance0.05372WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.12:1
Contrast with white10.12:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#B3CE7C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004286no red cones; affects about 1% of men; ΔE 21.8 from the original
Deuteranopia#044081no green cones; the most common form, about 1% of men; ΔE 22.2 from the original
Tritanopia#3E4355no blue cones; rare, and affects men and women equally; ΔE 42.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.12:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6.7Rebecca purple · ΔE 13Midnight blue · ΔE 14.1Indigo · ΔE 23.8Slate blue · ΔE 23.9Purple · ΔE 27.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.73, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#688331
Analogous#313F83, #753183
Triadic#834C31, #31834C
Split complementary#837531, #3F8331
Tetradic#83313F, #688331, #318375

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6A3DD
Lighter +30%#997ECF
Lighter +20%#7B59C1
Lighter +10%#623FA8
Darker −10%#36235E
Darker −20%#211539
Darker −30%#0B0714
Darker −40%#000000
More saturated +25%#441A9A
Less saturated −25%#54476C

Channel breakdown

R76
G49
B131
Red76 (29.8%)
Green49 (19.2%)
Blue131 (51.4%)
Hue259.76°
Saturation (HSL)45.56%
Lightness35.29%
Dominant channelBlue
Hex per channelR 4C · G 31 · B 83

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Every value on this page was computed from “4c3183” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.