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Recognised as Colour

#47ACFF

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

#47ACFF is a blue with RGB values 71, 172, 255 and HSL 207°, 100%, 64%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#47ACFF#47ACFF
HEX#47ACFF
RGBrgb(71, 172, 255)
RGB (0–1)0.2784, 0.6745, 1
RGB percentages27.8%, 67.5%, 100%
HSLhsl(207.1, 100%, 63.9%)
HSV / HSBhsv(207.1, 72.2%, 100%)
CMYK72.2%, 32.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,697,343
CSS custom property--colour: #47ACFF;

Brightness & contrast

Relative luminance0.38065WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.61:1
Contrast with white2.44:1WCAG normal text: Fail
Contrast with black8.61:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#B85300

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#86AFFFno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#6C9EFDno green cones; the most common form, about 1% of men; ΔE 13.9 from the original
Tritanopia#00C0CAno blue cones; rare, and affects men and women equally; ΔE 46.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.44:1WCAG large text: Fail
Contrast with black, large text8.61:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.4Deep skyblue · ΔE 17.2Dodgerblue · ΔE 20.6Steel blue · ΔE 23.4Light skyblue · ΔE 25.4Sky blue · ΔE 32.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9A47
Analogous#47FFF6, #4750FF
Triadic#FF47AC, #ACFF47
Split complementary#FF4750, #FFF647
Tetradic#F647FF, #FF9A47, #50FF47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0F1FF
Lighter +20%#ADDAFF
Lighter +10%#7AC3FF
Darker −10%#1495FF
Darker −20%#007BE0
Darker −30%#005FAD
Darker −40%#00437A
More saturated +25%#47ACFF
Less saturated −25%#5EAAE8

Channel breakdown

R71
G172
B255
Red71 (27.8%)
Green172 (67.5%)
Blue255 (100%)
Hue207.07°
Saturation (HSL)100%
Lightness63.92%
Dominant channelBlue
Hex per channelR 47 · G AC · B FF

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