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Recognised as Colour

#503F78

  • #503F78
  • Violet
  • Dark
  • Nearest: Dark slateblue

#503F78 is a violet with RGB values 80, 63, 120 and HSL 258°, 31%, 36%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#503F78#503F78
HEX#503F78
RGBrgb(80, 63, 120)
RGB (0–1)0.3137, 0.2471, 0.4706
RGB percentages31.4%, 24.7%, 47.1%
HSLhsl(257.9, 31.1%, 35.9%)
HSV / HSBhsv(257.9, 47.5%, 47.1%)
CMYK33.3%, 47.5%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,259,128
CSS custom property--colour: #503F78;

Brightness & contrast

Relative luminance0.06617WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.04:1
Contrast with white9.04:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#AFC087

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D497Ano red cones; affects about 1% of men; ΔE 15.2 from the original
Deuteranopia#304877no green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#474A55no blue cones; rare, and affects men and women equally; ΔE 30.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.04:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13Midnight blue · ΔE 26.8Rebecca purple · ΔE 27.7Steel blue · ΔE 33.2Slate blue · ΔE 34.6Medium purple · ΔE 35
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.97, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#67783F
Analogous#3F4B78, #6C3F78
Triadic#78503F, #3F7850
Split complementary#786D3F, #4B783F
Tetradic#783F4B, #67783F, #3F786C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAAED5
Lighter +30%#9D8DC3
Lighter +20%#806BB2
Lighter +10%#665199
Darker −10%#3A2D57
Darker −20%#231C35
Darker −30%#0D0A14
Darker −40%#000000
More saturated +25%#47288F
Less saturated −25%#595661

Channel breakdown

R80
G63
B120
Red80 (31.4%)
Green63 (24.7%)
Blue120 (47.1%)
Hue257.89°
Saturation (HSL)31.15%
Lightness35.88%
Dominant channelBlue
Hex per channelR 50 · G 3F · B 78

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Every value on this page was computed from “503f78” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.