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Recognised as Colour

#477FDC

  • #477FDC
  • Blue
  • Dark
  • Nearest: Cornflower blue

#477FDC is a blue with RGB values 71, 127, 220 and HSL 217°, 68%, 57%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#477FDC#477FDC
HEX#477FDC
RGBrgb(71, 127, 220)
RGB (0–1)0.2784, 0.498, 0.8627
RGB percentages27.8%, 49.8%, 86.3%
HSLhsl(217.4, 68%, 57.1%)
HSV / HSBhsv(217.4, 67.7%, 86.3%)
CMYK67.7%, 42.3%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,685,788
CSS custom property--colour: #477FDC;

Brightness & contrast

Relative luminance0.21686WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#B88023

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5388E0no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#3A7ADAno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#0094A3no blue cones; rare, and affects men and women equally; ΔE 52.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.3Dodgerblue · ΔE 12Royal blue · ΔE 20Medium purple · ΔE 25.3Steel blue · ΔE 26.1Slate blue · ΔE 26.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCA447
Analogous#47C9DC, #5A47DC
Triadic#DC477F, #7FDC47
Split complementary#DC5A47, #C9DC47
Tetradic#DC47C9, #DCA447, #47DC5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F6FD
Lighter +30%#C8D8F4
Lighter +20%#9DBBEC
Lighter +10%#729DE4
Darker −10%#2664CA
Darker −20%#1E4F9F
Darker −30%#163974
Darker −40%#0E2449
More saturated +25%#2C78F7
Less saturated −25%#6286C1

Channel breakdown

R71
G127
B220
Red71 (27.8%)
Green127 (49.8%)
Blue220 (86.3%)
Hue217.45°
Saturation (HSL)68.04%
Lightness57.06%
Dominant channelBlue
Hex per channelR 47 · G 7F · B DC

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Every value on this page was computed from “477fdc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.