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Recognised as Colour

#3584FB

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

#3584FB is a blue with RGB values 53, 132, 251 and HSL 216°, 96%, 60%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3584FB#3584FB
HEX#3584FB
RGBrgb(53, 132, 251)
RGB (0–1)0.2078, 0.5176, 0.9843
RGB percentages20.8%, 51.8%, 98.4%
HSLhsl(216.1, 96.1%, 59.6%)
HSV / HSBhsv(216.1, 78.9%, 98.4%)
CMYK78.9%, 47.4%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,507,451
CSS custom property--colour: #3584FB;

Brightness & contrast

Relative luminance0.24224WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.84:1
Contrast with white3.59:1WCAG normal text: Fail
Contrast with black5.84:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#CA7B04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4091FFno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#007FF9no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00A1B3no blue cones; rare, and affects men and women equally; ΔE 65.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.59:1WCAG large text: AA
Contrast with black, large text5.84:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.6Royal blue · ΔE 12.2Cornflower blue · ΔE 19.5Slate blue · ΔE 23.1Medium slateblue · ΔE 23.9Medium purple · ΔE 25.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBAC35
Analogous#35E7FB, #4935FB
Triadic#FB3584, #84FB35
Split complementary#FB4935, #E7FB35
Tetradic#FB35E7, #FBAC35, #35FB49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#CBDFFE
Lighter +20%#99C1FD
Lighter +10%#67A2FC
Darker −10%#0566F8
Darker −20%#0451C6
Darker −30%#033D94
Darker −40%#022862
More saturated +25%#3183FF
Less saturated −25%#4F89E1

Channel breakdown

R53
G132
B251
Red53 (20.8%)
Green132 (51.8%)
Blue251 (98.4%)
Hue216.06°
Saturation (HSL)96.12%
Lightness59.61%
Dominant channelBlue
Hex per channelR 35 · G 84 · B FB

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