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Recognised as Colour

#478DE3

  • #478DE3
  • Blue
  • Dark
  • Nearest: Cornflower blue

#478DE3 is a blue with RGB values 71, 141, 227 and HSL 213°, 74%, 58%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#478DE3#478DE3
HEX#478DE3
RGBrgb(71, 141, 227)
RGB (0–1)0.2784, 0.5529, 0.8902
RGB percentages27.8%, 55.3%, 89%
HSLhsl(213.1, 73.6%, 58.4%)
HSV / HSBhsv(213.1, 68.7%, 89%)
CMYK68.7%, 37.9%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,689,379
CSS custom property--colour: #478DE3;

Brightness & contrast

Relative luminance0.25935WCAG 2.x, 0 is black and 1 is white
Perceived brightness138 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.19:1
Contrast with white3.39:1WCAG normal text: Fail
Contrast with black6.19:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#B8721C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6693E6no red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#4F85E1no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#00A1ADno blue cones; rare, and affects men and women equally; ΔE 49.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.39:1WCAG large text: AA
Contrast with black, large text6.19:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.5Dodgerblue · ΔE 14Steel blue · ΔE 21.1Royal blue · ΔE 27.5Deep skyblue · ΔE 28.5Medium purple · ΔE 31.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.46, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E39D47
Analogous#47DBE3, #4F47E3
Triadic#E3478D, #8DE347
Split complementary#E34F47, #DBE347
Tetradic#E347DB, #E39D47, #47E34F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8FBFE
Lighter +30%#CCDFF7
Lighter +20%#A0C4F0
Lighter +10%#73A8EA
Darker −10%#2172D6
Darker −20%#1A5BAA
Darker −30%#13437E
Darker −40%#0C2B52
More saturated +25%#2C8AFD
Less saturated −25%#6290C8

Channel breakdown

R71
G141
B227
Red71 (27.8%)
Green141 (55.3%)
Blue227 (89%)
Hue213.08°
Saturation (HSL)73.58%
Lightness58.43%
Dominant channelBlue
Hex per channelR 47 · G 8D · B E3

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Every value on this page was computed from “478de3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.