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Recognised as Colour

#3636A0

  • #3636A0
  • Blue
  • Dark
  • Nearest: Rebecca purple

#3636A0 is a blue with RGB values 54, 54, 160 and HSL 240°, 50%, 42%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#3636A0#3636A0
HEX#3636A0
RGBrgb(54, 54, 160)
RGB (0–1)0.2118, 0.2118, 0.6275
RGB percentages21.2%, 21.2%, 62.7%
HSLhsl(240, 49.5%, 42%)
HSV / HSBhsv(240, 66.3%, 62.7%)
CMYK66.3%, 66.3%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,552,928
CSS custom property--colour: #3636A0;

Brightness & contrast

Relative luminance0.05961WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.58:1
Contrast with white9.58:1WCAG normal text: AAA
Contrast with black2.19:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#C9C95F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004AA3no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#00409Eno green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#005266no blue cones; rare, and affects men and women equally; ΔE 62.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.58:1WCAG large text: AAA
Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 14Midnight blue · ΔE 15.8Slate blue · ΔE 16.1Dark slateblue · ΔE 17.4Indigo · ΔE 20.1Royal blue · ΔE 21.6
Nearest named CSS colourRebecca purple (#663399)ΔE 13.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A0A036
Analogous#366BA0, #6B36A0
Triadic#A03636, #36A036
Split complementary#A06B36, #6BA036
Tetradic#A0366B, #A0A036, #36A06B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BABAE8
Lighter +30%#9494DB
Lighter +20%#6E6ECE
Lighter +10%#4848C1
Darker −10%#29297A
Darker −20%#1C1C54
Darker −30%#0F0F2E
Darker −40%#030307
More saturated +25%#1B1BBB
Less saturated −25%#515185

Channel breakdown

R54
G54
B160
Red54 (21.2%)
Green54 (21.2%)
Blue160 (62.7%)
Hue240°
Saturation (HSL)49.53%
Lightness41.96%
Dominant channelBlue
Hex per channelR 36 · G 36 · B A0

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Every value on this page was computed from “3636a0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.