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Recognised as Colour

#3584F3

  • #3584F3
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3584F3 is a blue with RGB values 53, 132, 243 and HSL 215°, 89%, 58%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3584F3#3584F3
HEX#3584F3
RGBrgb(53, 132, 243)
RGB (0–1)0.2078, 0.5176, 0.9529
RGB percentages20.8%, 51.8%, 95.3%
HSLhsl(215.1, 88.8%, 58%)
HSV / HSBhsv(215.1, 78.2%, 95.3%)
CMYK78.2%, 45.7%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,507,443
CSS custom property--colour: #3584F3;

Brightness & contrast

Relative luminance0.2373WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.75:1
Contrast with white3.65:1WCAG normal text: Fail
Contrast with black5.75:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#CA7B0C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#488FF7no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#157EF1no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#009EB0no blue cones; rare, and affects men and women equally; ΔE 60.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.65:1WCAG large text: AA
Contrast with black, large text5.75:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.9Royal blue · ΔE 14.4Cornflower blue · ΔE 15.4Slate blue · ΔE 24.3Medium purple · ΔE 25.5Medium slateblue · ΔE 26.9
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.91, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F3A435
Analogous#35E3F3, #4535F3
Triadic#F33584, #84F335
Split complementary#F34535, #E3F335
Tetradic#F335E3, #F3A435, #35F345

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6F9FE
Lighter +30%#C5DCFC
Lighter +20%#95BFF9
Lighter +10%#65A1F6
Darker −10%#0E68E7
Darker −20%#0B52B7
Darker −30%#083D87
Darker −40%#052757
More saturated +25%#2982FF
Less saturated −25%#5089D8

Channel breakdown

R53
G132
B243
Red53 (20.8%)
Green132 (51.8%)
Blue243 (95.3%)
Hue215.05°
Saturation (HSL)88.79%
Lightness58.04%
Dominant channelBlue
Hex per channelR 35 · G 84 · B F3

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Every value on this page was computed from “3584f3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.