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Recognised as Colour

#63367F

  • #63367F
  • Violet
  • Dark
  • Nearest: Dark slateblue

#63367F is a violet with RGB values 99, 54, 127 and HSL 277°, 40%, 35%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#63367F#63367F
HEX#63367F
RGBrgb(99, 54, 127)
RGB (0–1)0.3882, 0.2118, 0.498
RGB percentages38.8%, 21.2%, 49.8%
HSLhsl(277, 40.3%, 35.5%)
HSV / HSBhsv(277, 57.5%, 49.8%)
CMYK22%, 57.5%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,502,015
CSS custom property--colour: #63367F;

Brightness & contrast

Relative luminance0.06823WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.88:1
Contrast with white8.88:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#9CC980

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#204881no red cones; affects about 1% of men; ΔE 27.2 from the original
Deuteranopia#304B7Dno green cones; the most common form, about 1% of men; ΔE 27.7 from the original
Tritanopia#604355no blue cones; rare, and affects men and women equally; ΔE 33.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.88:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.7Rebecca purple · ΔE 16.3Midnight blue · ΔE 22.4Purple · ΔE 25.1Slate blue · ΔE 28Indigo · ΔE 28.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.69, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#527F36
Analogous#3E367F, #7F3677
Triadic#7F6336, #367F63
Split complementary#767F36, #367F3F
Tetradic#7F3F36, #527F36, #36777F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6A7DA
Lighter +30%#AF84CA
Lighter +20%#9860BB
Lighter +10%#7F45A3
Darker −10%#47275B
Darker −20%#2B1837
Darker −30%#0F0814
Darker −40%#000000
More saturated +25%#681F96
Less saturated −25%#5E4D68

Channel breakdown

R99
G54
B127
Red99 (38.8%)
Green54 (21.2%)
Blue127 (49.8%)
Hue276.99°
Saturation (HSL)40.33%
Lightness35.49%
Dominant channelBlue
Hex per channelR 63 · G 36 · B 7F

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Every value on this page was computed from “63367f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.