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Colour

#478ED7

  • #478ED7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#478ED7 is a blue with RGB values 71, 142, 215 and HSL 210°, 64%, 56%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#478ED7#478ED7
HEX#478ED7
RGBrgb(71, 142, 215)
RGB (0–1)0.2784, 0.5569, 0.8431
RGB percentages27.8%, 55.7%, 84.3%
HSLhsl(210.4, 64.3%, 56.1%)
HSV / HSBhsv(210.4, 67%, 84.3%)
CMYK67%, 34%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,689,623
CSS custom property--colour: #478ED7;

Brightness & contrast

Relative luminance0.25592WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.12:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.12:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#B87128

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E92DAno red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#5984D6no green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#009FA8no blue cones; rare, and affects men and women equally; ΔE 43.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.12:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.9Steel blue · ΔE 13.8Dodgerblue · ΔE 21.5Deep skyblue · ΔE 23.9Light skyblue · ΔE 29.4Light slate grey · ΔE 33
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D79047
Analogous#47D6D7, #4847D7
Triadic#D7478E, #8ED747
Split complementary#D74847, #D6D747
Tetradic#D747D6, #D79047, #47D748

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF5FB
Lighter +30%#C5DBF2
Lighter +20%#9BC1E9
Lighter +10%#71A8E0
Darker −10%#2A74C1
Darker −20%#215B97
Darker −30%#18426D
Darker −40%#0F2943
More saturated +25%#2B8EF3
Less saturated −25%#638EBB

Channel breakdown

R71
G142
B215
Red71 (27.8%)
Green142 (55.7%)
Blue215 (84.3%)
Hue210.42°
Saturation (HSL)64.29%
Lightness56.08%
Dominant channelBlue
Hex per channelR 47 · G 8E · B D7

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Every value on this page was computed from “478ed7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.