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Recognised as Colour

#3768F7

  • #3768F7
  • Blue
  • Dark
  • Nearest: Royal blue

#3768F7 is a blue with RGB values 55, 104, 247 and HSL 225°, 92%, 59%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3768F7#3768F7
HEX#3768F7
RGBrgb(55, 104, 247)
RGB (0–1)0.2157, 0.4078, 0.9686
RGB percentages21.6%, 40.8%, 96.9%
HSLhsl(224.7, 92.3%, 59.2%)
HSV / HSBhsv(224.7, 77.7%, 96.9%)
CMYK77.7%, 57.9%, 0%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,631,351
CSS custom property--colour: #3768F7;

Brightness & contrast

Relative luminance0.17428WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#C89708

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007DFCno red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#006BF4no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#008CA5no blue cones; rare, and affects men and women equally; ΔE 77.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Royal blue · ΔE 13.1Medium slateblue · ΔE 13.4Slate blue · ΔE 18.8Medium purple · ΔE 26.9Dodgerblue · ΔE 28.9Rebecca purple · ΔE 34.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F7C637
Analogous#37C8F7, #6637F7
Triadic#F73768, #68F737
Split complementary#F76637, #C8F737
Tetradic#F737C8, #F7C637, #37F766

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFCFF
Lighter +30%#CAD7FD
Lighter +20%#99B2FB
Lighter +10%#688DF9
Darker −10%#0A45F1
Darker −20%#0837C0
Darker −30%#06298F
Darker −40%#041B5E
More saturated +25%#2F64FF
Less saturated −25%#5175DD

Channel breakdown

R55
G104
B247
Red55 (21.6%)
Green104 (40.8%)
Blue247 (96.9%)
Hue224.69°
Saturation (HSL)92.31%
Lightness59.22%
Dominant channelBlue
Hex per channelR 37 · G 68 · B F7

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Every value on this page was computed from “3768f7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.