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Recognised as Colour

#36339A

  • #36339A
  • Blue
  • Dark
  • Nearest: Rebecca purple

#36339A is a blue with RGB values 54, 51, 154 and HSL 242°, 50%, 40%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#36339A#36339A
HEX#36339A
RGBrgb(54, 51, 154)
RGB (0–1)0.2118, 0.2, 0.6039
RGB percentages21.2%, 20%, 60.4%
HSLhsl(241.7, 50.2%, 40.2%)
HSV / HSBhsv(241.7, 66.9%, 60.4%)
CMYK64.9%, 66.9%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,552,154
CSS custom property--colour: #36339A;

Brightness & contrast

Relative luminance0.05485WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.01:1
Contrast with white10.01:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#C9CC65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00479Dno red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#003E98no green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#004E62no blue cones; rare, and affects men and women equally; ΔE 60.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.01:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 13.4Midnight blue · ΔE 13.9Dark slateblue · ΔE 16.1Slate blue · ΔE 17.5Indigo · ΔE 19.5Navy · ΔE 22.1
Nearest named CSS colourRebecca purple (#663399)ΔE 13.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#979A33
Analogous#33649A, #69339A
Triadic#9A3633, #339A36
Split complementary#9A6933, #649A33
Tetradic#9A3364, #979A33, #339A69

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5B3E6
Lighter +30%#8F8DD9
Lighter +20%#6967CC
Lighter +10%#4440C0
Darker −10%#292674
Darker −20%#1B1A4D
Darker −30%#0E0D27
Darker −40%#000001
More saturated +25%#1E19B4
Less saturated −25%#4E4D80

Channel breakdown

R54
G51
B154
Red54 (21.2%)
Green51 (20%)
Blue154 (60.4%)
Hue241.75°
Saturation (HSL)50.24%
Lightness40.2%
Dominant channelBlue
Hex per channelR 36 · G 33 · B 9A

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Every value on this page was computed from “36339a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.