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Recognised as Colour

#47A8FF

  • #47A8FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#47A8FF is a blue with RGB values 71, 168, 255 and HSL 208°, 100%, 64%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#47A8FF#47A8FF
HEX#47A8FF
RGBrgb(71, 168, 255)
RGB (0–1)0.2784, 0.6588, 1
RGB percentages27.8%, 65.9%, 100%
HSLhsl(208.4, 100%, 63.9%)
HSV / HSBhsv(208.4, 72.2%, 100%)
CMYK72.2%, 34.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,696,319
CSS custom property--colour: #47A8FF;

Brightness & contrast

Relative luminance0.36565WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.31:1
Contrast with white2.53:1WCAG normal text: Fail
Contrast with black8.31:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#B85700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#80ACFFno red cones; affects about 1% of men; ΔE 10.3 from the original
Deuteranopia#669BFDno green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#00BDC8no blue cones; rare, and affects men and women equally; ΔE 49 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.53:1WCAG large text: Fail
Contrast with black, large text8.31:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.1Dodgerblue · ΔE 17.6Deep skyblue · ΔE 20.2Steel blue · ΔE 24.2Light skyblue · ΔE 28.1Sky blue · ΔE 35.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9E47
Analogous#47FFFA, #474CFF
Triadic#FF47A8, #A8FF47
Split complementary#FF474C, #FFFA47
Tetradic#FA47FF, #FF9E47, #4CFF47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0F0FF
Lighter +20%#ADD8FF
Lighter +10%#7AC0FF
Darker −10%#1490FF
Darker −20%#0076E0
Darker −30%#005BAD
Darker −40%#00407A
More saturated +25%#47A8FF
Less saturated −25%#5EA7E8

Channel breakdown

R71
G168
B255
Red71 (27.8%)
Green168 (65.9%)
Blue255 (100%)
Hue208.37°
Saturation (HSL)100%
Lightness63.92%
Dominant channelBlue
Hex per channelR 47 · G A8 · B FF

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Every value on this page was computed from “47a8ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.