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Recognised as Colour

#5780FE

  • #5780FE
  • Blue
  • Dark
  • Nearest: Royal blue

#5780FE is a blue with RGB values 87, 128, 254 and HSL 225°, 99%, 67%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5780FE#5780FE
HEX#5780FE
RGBrgb(87, 128, 254)
RGB (0–1)0.3412, 0.502, 0.9961
RGB percentages34.1%, 50.2%, 99.6%
HSLhsl(225.3, 98.8%, 66.9%)
HSV / HSBhsv(225.3, 65.7%, 99.6%)
CMYK65.7%, 49.6%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,734,654
CSS custom property--colour: #5780FE;

Brightness & contrast

Relative luminance0.2462WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.92:1
Contrast with white3.54:1WCAG normal text: Fail
Contrast with black5.92:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#A87F01

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3790FFno red cones; affects about 1% of men; ΔE 14.5 from the original
Deuteranopia#0081FBno green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#009EB3no blue cones; rare, and affects men and women equally; ΔE 69.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.54:1WCAG large text: AA
Contrast with black, large text5.92:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.1Dodgerblue · ΔE 16Medium slateblue · ΔE 16.5Slate blue · ΔE 18.2Medium purple · ΔE 20.6Cornflower blue · ΔE 24.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.1, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FED557
Analogous#57D4FE, #8257FE
Triadic#FE5780, #80FE57
Split complementary#FE8257, #D4FE57
Tetradic#FE57D4, #FED557, #57FE82

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFF3FF
Lighter +20%#BCCDFF
Lighter +10%#8AA6FE
Darker −10%#245AFE
Darker −20%#013BEE
Darker −30%#012FBB
Darker −40%#012288
More saturated +25%#567FFF
Less saturated −25%#6C8BE9

Channel breakdown

R87
G128
B254
Red87 (34.1%)
Green128 (50.2%)
Blue254 (99.6%)
Hue225.27°
Saturation (HSL)98.82%
Lightness66.86%
Dominant channelBlue
Hex per channelR 57 · G 80 · B FE

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Every value on this page was computed from “5780fe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.