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Recognised as Colour

#5C81FF

  • #5C81FF
  • Blue
  • Dark
  • Nearest: Royal blue

#5C81FF is a blue with RGB values 92, 129, 255 and HSL 226°, 100%, 68%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5C81FF#5C81FF
HEX#5C81FF
RGBrgb(92, 129, 255)
RGB (0–1)0.3608, 0.5059, 1
RGB percentages36.1%, 50.6%, 100%
HSLhsl(226.4, 100%, 68%)
HSV / HSBhsv(226.4, 63.9%, 100%)
CMYK63.9%, 49.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,062,591
CSS custom property--colour: #5C81FF;

Brightness & contrast

Relative luminance0.25196WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.04:1
Contrast with white3.48:1WCAG normal text: Fail
Contrast with black6.04:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#A37E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A91FFno red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#0182FCno green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#009EB4no blue cones; rare, and affects men and women equally; ΔE 69.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.48:1WCAG large text: AA
Contrast with black, large text6.04:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.6Medium slateblue · ΔE 16.1Dodgerblue · ΔE 16.3Slate blue · ΔE 18.1Medium purple · ΔE 20Cornflower blue · ΔE 24.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDA5C
Analogous#5CD2FF, #895CFF
Triadic#FF5C81, #81FF5C
Split complementary#FF895C, #D3FF5C
Tetradic#FF5CD2, #FFDA5C, #5CFF89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F5F7FF
Lighter +20%#C2D0FF
Lighter +10%#8FA8FF
Darker −10%#295AFF
Darker −20%#0038F5
Darker −30%#002CC2
Darker −40%#00208F
More saturated +25%#5C81FF
Less saturated −25%#708CEB

Channel breakdown

R92
G129
B255
Red92 (36.1%)
Green129 (50.6%)
Blue255 (100%)
Hue226.38°
Saturation (HSL)100%
Lightness68.04%
Dominant channelBlue
Hex per channelR 5C · G 81 · B FF

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Every value on this page was computed from “5c81ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.