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Recognised as Colour

#363CA3

  • #363CA3
  • Blue
  • Dark
  • Nearest: Rebecca purple

#363CA3 is a blue with RGB values 54, 60, 163 and HSL 237°, 50%, 43%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#363CA3#363CA3
HEX#363CA3
RGBrgb(54, 60, 163)
RGB (0–1)0.2118, 0.2353, 0.6392
RGB percentages21.2%, 23.5%, 63.9%
HSLhsl(236.7, 50.2%, 42.5%)
HSV / HSBhsv(236.7, 66.9%, 63.9%)
CMYK66.9%, 63.2%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,554,467
CSS custom property--colour: #363CA3;

Brightness & contrast

Relative luminance0.0666WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9:1
Contrast with white9:1WCAG normal text: AAA
Contrast with black2.33:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#C9C35C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004EA6no red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#0044A1no green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#00566Ano blue cones; rare, and affects men and women equally; ΔE 60 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9:1WCAG large text: AAA
Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 14.9Slate blue · ΔE 15.1Dark slateblue · ΔE 15.3Midnight blue · ΔE 16.7Royal blue · ΔE 19.6Indigo · ΔE 23.1
Nearest named CSS colourRebecca purple (#663399)ΔE 14.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A39D36
Analogous#3673A3, #6636A3
Triadic#A3363C, #3CA336
Split complementary#A36636, #73A336
Tetradic#A33673, #A39D36, #36A366

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCBFE9
Lighter +30%#969ADC
Lighter +20%#7075CF
Lighter +10%#4950C3
Darker −10%#292E7D
Darker −20%#1D2056
Darker −30%#101230
Darker −40%#03040A
More saturated +25%#1B24BE
Less saturated −25%#515488

Channel breakdown

R54
G60
B163
Red54 (21.2%)
Green60 (23.5%)
Blue163 (63.9%)
Hue236.7°
Saturation (HSL)50.23%
Lightness42.55%
Dominant channelBlue
Hex per channelR 36 · G 3C · B A3

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Every value on this page was computed from “363ca3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.