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Recognised as Colour

#4766AA

  • #4766AA
  • Blue
  • Dark
  • Nearest: Steel blue

#4766AA is a blue with RGB values 71, 102, 170 and HSL 221°, 41%, 47%. 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

#4766AA#4766AA
HEX#4766AA
RGBrgb(71, 102, 170)
RGB (0–1)0.2784, 0.4, 0.6667
RGB percentages27.8%, 40%, 66.7%
HSLhsl(221.2, 41.1%, 47.3%)
HSV / HSBhsv(221.2, 58.2%, 66.7%)
CMYK58.2%, 40%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,679,338
CSS custom property--colour: #4766AA;

Brightness & contrast

Relative luminance0.13745WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.6:1
Contrast with white5.6:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#B89955

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#496DADno red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#3C63A9no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#007580no blue cones; rare, and affects men and women equally; ΔE 42.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.6:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Steel blue · ΔE 18Cornflower blue · ΔE 20.4Dark slateblue · ΔE 21Dodgerblue · ΔE 28.1Royal blue · ΔE 30.5Medium purple · ΔE 30.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA8B47
Analogous#4797AA, #5A47AA
Triadic#AA4766, #66AA47
Split complementary#AA5A47, #97AA47
Tetradic#AA4797, #AA8B47, #47AA5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1DAEC
Lighter +30%#ADBCDD
Lighter +20%#899FCE
Lighter +10%#6581BF
Darker −10%#385086
Darker −20%#293B62
Darker −30%#1A253E
Darker −40%#0B101A
More saturated +25%#295BC8
Less saturated −25%#65718C

Channel breakdown

R71
G102
B170
Red71 (27.8%)
Green102 (40%)
Blue170 (66.7%)
Hue221.21°
Saturation (HSL)41.08%
Lightness47.25%
Dominant channelBlue
Hex per channelR 47 · G 66 · B AA

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Every value on this page was computed from “4766aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.