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Recognised as Colour

#33185D

  • #33185D
  • Violet
  • Dark
  • Nearest: Midnight blue

#33185D is a violet with RGB values 51, 24, 93 and HSL 263°, 59%, 23%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#33185D#33185D
HEX#33185D
RGBrgb(51, 24, 93)
RGB (0–1)0.2, 0.0941, 0.3647
RGB percentages20%, 9.4%, 36.5%
HSLhsl(263.5, 59%, 22.9%)
HSV / HSBhsv(263.5, 74.2%, 36.5%)
CMYK45.2%, 74.2%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,348,573
CSS custom property--colour: #33185D;

Brightness & contrast

Relative luminance0.02147WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.69:1
Contrast with white14.69:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#CCE7A2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00295Fno red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#00275Cno green cones; the most common form, about 1% of men; ΔE 18.9 from the original
Tritanopia#282938no blue cones; rare, and affects men and women equally; ΔE 37.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.69:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.4Dark slateblue · ΔE 16.2Rebecca purple · ΔE 23.7Indigo · ΔE 27.9Purple · ΔE 32Navy · ΔE 33.5
Nearest named CSS colourMidnight blue (#191970)ΔE 13.35, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#425D18
Analogous#181F5D, #56185D
Triadic#5D3318, #185D33
Split complementary#5D5518, #205D18
Tetradic#5D181F, #425D18, #185D56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9469D8
Lighter +30%#7840CE
Lighter +20%#5F2DAE
Lighter +10%#492286
Darker −10%#1D0E34
Darker −20%#07030C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#30096C
Less saturated −25%#36274E

Channel breakdown

R51
G24
B93
Red51 (20%)
Green24 (9.4%)
Blue93 (36.5%)
Hue263.48°
Saturation (HSL)58.97%
Lightness22.94%
Dominant channelBlue
Hex per channelR 33 · G 18 · B 5D

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Every value on this page was computed from “33185d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.