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Recognised as Colour

#5B338A

  • #5B338A
  • Violet
  • Dark
  • Nearest: Rebecca purple

#5B338A is a violet with RGB values 91, 51, 138 and HSL 268°, 46%, 37%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#5B338A#5B338A
HEX#5B338A
RGBrgb(91, 51, 138)
RGB (0–1)0.3569, 0.2, 0.5412
RGB percentages35.7%, 20%, 54.1%
HSLhsl(267.6, 46%, 37.1%)
HSV / HSBhsv(267.6, 63%, 54.1%)
CMYK34.1%, 63%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,976,970
CSS custom property--colour: #5B338A;

Brightness & contrast

Relative luminance0.06427WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.19:1
Contrast with white9.19:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#A4CC75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00478Dno red cones; affects about 1% of men; ΔE 26.6 from the original
Deuteranopia#184788no green cones; the most common form, about 1% of men; ΔE 27 from the original
Tritanopia#524559no blue cones; rare, and affects men and women equally; ΔE 41.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.19:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 8.6Dark slateblue · ΔE 10.4Midnight blue · ΔE 17.1Indigo · ΔE 21.5Slate blue · ΔE 21.7Purple · ΔE 23.2
Nearest named CSS colourRebecca purple (#663399)ΔE 8.64, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#628A33
Analogous#33368A, #87338A
Triadic#8A5B33, #338A5B
Split complementary#8A8733, #368A33
Tetradic#8A3336, #628A33, #338A87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2AADF
Lighter +30%#A884D2
Lighter +20%#8D5FC4
Lighter +10%#7441AF
Darker −10%#422565
Darker −20%#2A1740
Darker −30%#110A1A
Darker −40%#000000
More saturated +25%#591BA2
Less saturated −25%#5D4B72

Channel breakdown

R91
G51
B138
Red91 (35.7%)
Green51 (20%)
Blue138 (54.1%)
Hue267.59°
Saturation (HSL)46.03%
Lightness37.06%
Dominant channelBlue
Hex per channelR 5B · G 33 · B 8A

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Every value on this page was computed from “5b338a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.