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Recognised as Colour

#3F72D2

  • #3F72D2
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3F72D2 is a blue with RGB values 63, 114, 210 and HSL 219°, 62%, 54%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3F72D2#3F72D2
HEX#3F72D2
RGBrgb(63, 114, 210)
RGB (0–1)0.2471, 0.4471, 0.8235
RGB percentages24.7%, 44.7%, 82.4%
HSLhsl(219.2, 62%, 53.5%)
HSV / HSBhsv(219.2, 70%, 82.4%)
CMYK70%, 45.7%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,158,162
CSS custom property--colour: #3F72D2;

Brightness & contrast

Relative luminance0.17745WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.62:1
Contrast with white4.62:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#C08D2D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#417CD6no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#226FD0no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#008898no blue cones; rare, and affects men and women equally; ΔE 54.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.62:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 14.4Cornflower blue · ΔE 14.9Royal blue · ΔE 15.6Slate blue · ΔE 21.7Medium purple · ΔE 23.1Dark slateblue · ΔE 24.8
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 14.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D29F3F
Analogous#3FBCD2, #553FD2
Triadic#D23F72, #72D23F
Split complementary#D2553F, #BCD23F
Tetradic#D23FBC, #D29F3F, #3FD255

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4EBF9
Lighter +30%#BBCDEF
Lighter +20%#92AFE5
Lighter +10%#6890DC
Darker −10%#2A5AB4
Darker −20%#20458B
Darker −30%#173161
Darker −40%#0D1C38
More saturated +25%#2169F0
Less saturated −25%#5D7BB4

Channel breakdown

R63
G114
B210
Red63 (24.7%)
Green114 (44.7%)
Blue210 (82.4%)
Hue219.18°
Saturation (HSL)62.03%
Lightness53.53%
Dominant channelBlue
Hex per channelR 3F · G 72 · B D2

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Every value on this page was computed from “3f72d2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.