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Recognised as Colour

#4784DF

  • #4784DF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4784DF is a blue with RGB values 71, 132, 223 and HSL 216°, 70%, 58%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4784DF#4784DF
HEX#4784DF
RGBrgb(71, 132, 223)
RGB (0–1)0.2784, 0.5176, 0.8745
RGB percentages27.8%, 51.8%, 87.5%
HSLhsl(215.9, 70.4%, 57.6%)
HSV / HSBhsv(215.9, 68.2%, 87.5%)
CMYK68.2%, 40.8%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,687,071
CSS custom property--colour: #4784DF;

Brightness & contrast

Relative luminance0.2317WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.63:1
Contrast with white3.73:1WCAG normal text: Fail
Contrast with black5.63:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#B87B20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A8CE3no red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#417EDDno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#0099A7no blue cones; rare, and affects men and women equally; ΔE 51.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.73:1WCAG large text: AA
Contrast with black, large text5.63:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.3Dodgerblue · ΔE 11.9Royal blue · ΔE 22.4Steel blue · ΔE 24.4Medium purple · ΔE 27.2Slate blue · ΔE 28.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.29, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFA247
Analogous#47D0DF, #5647DF
Triadic#DF4784, #84DF47
Split complementary#DF5647, #D0DF47
Tetradic#DF47D0, #DFA247, #47DF56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5F8FD
Lighter +30%#C9DBF6
Lighter +20%#9EBEEE
Lighter +10%#72A1E7
Darker −10%#2469CF
Darker −20%#1C53A4
Darker −30%#153D78
Darker −40%#0D274D
More saturated +25%#2C7FFA
Less saturated −25%#6289C4

Channel breakdown

R71
G132
B223
Red71 (27.8%)
Green132 (51.8%)
Blue223 (87.5%)
Hue215.92°
Saturation (HSL)70.37%
Lightness57.65%
Dominant channelBlue
Hex per channelR 47 · G 84 · B DF

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Every value on this page was computed from “4784df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.