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Recognised as Colour

#4971CC

  • #4971CC
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4971CC is a blue with RGB values 73, 113, 204 and HSL 222°, 56%, 54%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4971CC#4971CC
HEX#4971CC
RGBrgb(73, 113, 204)
RGB (0–1)0.2863, 0.4431, 0.8
RGB percentages28.6%, 44.3%, 80%
HSLhsl(221.7, 56.2%, 54.3%)
HSV / HSBhsv(221.7, 64.2%, 80%)
CMYK64.2%, 44.6%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,813,260
CSS custom property--colour: #4971CC;

Brightness & contrast

Relative luminance0.17586WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.65:1
Contrast with white4.65:1WCAG normal text: AA
Contrast with black4.52:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#B68E33

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#457BCFno red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#2F6FCAno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#008694no blue cones; rare, and affects men and women equally; ΔE 53.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.65:1WCAG large text: AAA
Contrast with black, large text4.52:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.3Dodgerblue · ΔE 16.6Royal blue · ΔE 17.9Slate blue · ΔE 22.3Medium purple · ΔE 22.6Dark slateblue · ΔE 23.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCA449
Analogous#49B3CC, #6249CC
Triadic#CC4971, #71CC49
Split complementary#CC6349, #B3CC49
Tetradic#CC49B3, #CCA449, #49CC63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8EDF9
Lighter +30%#C1CEED
Lighter +20%#99AFE2
Lighter +10%#7190D7
Darker −10%#3158B1
Darker −20%#264489
Darker −30%#1B3061
Darker −40%#101D39
More saturated +25%#2C66E9
Less saturated −25%#667CAF

Channel breakdown

R73
G113
B204
Red73 (28.6%)
Green113 (44.3%)
Blue204 (80%)
Hue221.68°
Saturation (HSL)56.22%
Lightness54.31%
Dominant channelBlue
Hex per channelR 49 · G 71 · B CC

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Every value on this page was computed from “4971cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.