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Recognised as Colour

#503F8C

  • #503F8C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#503F8C is a blue with RGB values 80, 63, 140 and HSL 253°, 38%, 40%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#503F8C#503F8C
HEX#503F8C
RGBrgb(80, 63, 140)
RGB (0–1)0.3137, 0.2471, 0.549
RGB percentages31.4%, 24.7%, 54.9%
HSLhsl(253.2, 37.9%, 39.8%)
HSV / HSBhsv(253.2, 55%, 54.9%)
CMYK42.9%, 55%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,259,148
CSS custom property--colour: #503F8C;

Brightness & contrast

Relative luminance0.07154WCAG 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 8.64:1
Contrast with white8.64:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#AFC073

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B4D8Fno red cones; affects about 1% of men; ΔE 18.5 from the original
Deuteranopia#1D4A8Ano green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#3F4F5Fno blue cones; rare, and affects men and women equally; ΔE 41.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.64:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 2.3Rebecca purple · ΔE 17.2Midnight blue · ΔE 19.2Slate blue · ΔE 23.5Medium purple · ΔE 26.6Royal blue · ΔE 29.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 2.27, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B8C3F
Analogous#3F548C, #773F8C
Triadic#8C503F, #3F8C50
Split complementary#8C773F, #548C3F
Tetradic#8C3F54, #7B8C3F, #3F8C77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1B8DF
Lighter +30%#A295CF
Lighter +20%#8372BF
Lighter +10%#644FAF
Darker −10%#3C2F69
Darker −20%#281F46
Darker −30%#141022
Darker −40%#000000
More saturated +25%#4226A5
Less saturated −25%#5E5873

Channel breakdown

R80
G63
B140
Red80 (31.4%)
Green63 (24.7%)
Blue140 (54.9%)
Hue253.25°
Saturation (HSL)37.93%
Lightness39.8%
Dominant channelBlue
Hex per channelR 50 · G 3F · B 8C

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Every value on this page was computed from “503f8c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.