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Colour

#4366AA

  • #4366AA
  • Blue
  • Dark
  • Nearest: Steel blue

#4366AA is a blue with RGB values 67, 102, 170 and HSL 220°, 43%, 46%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4366AA#4366AA
HEX#4366AA
RGBrgb(67, 102, 170)
RGB (0–1)0.2627, 0.4, 0.6667
RGB percentages26.3%, 40%, 66.7%
HSLhsl(219.6, 43.5%, 46.5%)
HSV / HSBhsv(219.6, 60.6%, 66.7%)
CMYK60.6%, 40%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,417,194
CSS custom property--colour: #4366AA;

Brightness & contrast

Relative luminance0.13598WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.65:1
Contrast with white5.65:1WCAG normal text: AA
Contrast with black3.72:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#BC9955

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#496CADno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#3B63A9no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#007580no blue cones; rare, and affects men and women equally; ΔE 41.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.65:1WCAG large text: AAA
Contrast with black, large text3.72:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.7Cornflower blue · ΔE 20.4Dark slateblue · ΔE 21.5Dodgerblue · ΔE 28Royal blue · ΔE 30.7Medium purple · ΔE 31.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA8743
Analogous#4399AA, #5443AA
Triadic#AA4366, #66AA43
Split complementary#AA5343, #9AAA43
Tetradic#AA4399, #AA8743, #43AA53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CED8EB
Lighter +30%#A9BBDD
Lighter +20%#849ECF
Lighter +10%#6081C0
Darker −10%#355085
Darker −20%#263A61
Darker −30%#18243C
Darker −40%#090E18
More saturated +25%#255DC8
Less saturated −25%#616F8C

Channel breakdown

R67
G102
B170
Red67 (26.3%)
Green102 (40%)
Blue170 (66.7%)
Hue219.61°
Saturation (HSL)43.46%
Lightness46.47%
Dominant channelBlue
Hex per channelR 43 · G 66 · B AA

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Every value on this page was computed from “4366aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.