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Colour

#363F83

  • #363F83
  • Blue
  • Dark
  • Nearest: Dark slateblue

#363F83 is a blue with RGB values 54, 63, 131 and HSL 233°, 42%, 36%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#363F83#363F83
HEX#363F83
RGBrgb(54, 63, 131)
RGB (0–1)0.2118, 0.2471, 0.5137
RGB percentages21.2%, 24.7%, 51.4%
HSLhsl(233, 41.6%, 36.3%)
HSV / HSBhsv(233, 58.8%, 51.4%)
CMYK58.8%, 51.9%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,555,203
CSS custom property--colour: #363F83;

Brightness & contrast

Relative luminance0.05978WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.56:1
Contrast with white9.56:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#C9C07C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C4985no red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#0F4282no green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#064E5Bno blue cones; rare, and affects men and women equally; ΔE 42.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.56:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.6Midnight blue · ΔE 21.7Rebecca purple · ΔE 26.3Slate blue · ΔE 30.2Royal blue · ΔE 32.7Steel blue · ΔE 32.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.61, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#837A36
Analogous#366583, #543683
Triadic#83363F, #3F8336
Split complementary#835336, #668336
Tetradic#833665, #837A36, #368353

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9AFDC
Lighter +30%#858ECD
Lighter +20%#616CBE
Lighter +10%#4550A7
Darker −10%#272E5F
Darker −20%#181C3B
Darker −30%#090B17
Darker −40%#000000
More saturated +25%#1F2D9A
Less saturated −25%#4D516C

Channel breakdown

R54
G63
B131
Red54 (21.2%)
Green63 (24.7%)
Blue131 (51.4%)
Hue232.99°
Saturation (HSL)41.62%
Lightness36.27%
Dominant channelBlue
Hex per channelR 36 · G 3F · B 83

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Every value on this page was computed from “363f83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.