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Colour

#4533A8

  • #4533A8
  • Blue
  • Dark
  • Nearest: Rebecca purple

#4533A8 is a blue with RGB values 69, 51, 168 and HSL 249°, 53%, 43%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#4533A8#4533A8
HEX#4533A8
RGBrgb(69, 51, 168)
RGB (0–1)0.2706, 0.2, 0.6588
RGB percentages27.1%, 20%, 65.9%
HSLhsl(249.2, 53.4%, 42.9%)
HSV / HSBhsv(249.2, 69.6%, 65.9%)
CMYK58.9%, 69.6%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,535,208
CSS custom property--colour: #4533A8;

Brightness & contrast

Relative luminance0.0646WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.16:1
Contrast with white9.16:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#BACC57

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CACno red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#0044A6no green cones; the most common form, about 1% of men; ΔE 18.6 from the original
Tritanopia#075269no blue cones; rare, and affects men and women equally; ΔE 66.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.16:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 13.4Slate blue · ΔE 15.7Indigo · ΔE 16.3Navy · ΔE 19.3Midnight blue · ΔE 20.3Dark blue · ΔE 20.3
Nearest named CSS colourRebecca purple (#663399)ΔE 13.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#96A833
Analogous#335BA8, #8033A8
Triadic#A84533, #33A845
Split complementary#A88033, #5BA833
Tetradic#A8335B, #96A833, #33A880

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3BCEB
Lighter +30%#A095DF
Lighter +20%#7E6ED3
Lighter +10%#5B47C7
Darker −10%#352781
Darker −20%#251B5A
Darker −30%#150F33
Darker −40%#05030C
More saturated +25%#3218C3
Less saturated −25%#584E8D

Channel breakdown

R69
G51
B168
Red69 (27.1%)
Green51 (20%)
Blue168 (65.9%)
Hue249.23°
Saturation (HSL)53.42%
Lightness42.94%
Dominant channelBlue
Hex per channelR 45 · G 33 · B A8

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Every value on this page was computed from “4533a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.