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Recognised as Colour

#3521FF

  • #3521FF
  • Blue
  • Dark
  • Nearest: Blue

#3521FF is a blue with RGB values 53, 33, 255 and HSL 245°, 100%, 56%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#3521FF#3521FF
HEX#3521FF
RGBrgb(53, 33, 255)
RGB (0–1)0.2078, 0.1294, 1
RGB percentages20.8%, 12.9%, 100%
HSLhsl(245.4, 100%, 56.5%)
HSV / HSBhsv(245.4, 87.1%, 100%)
CMYK79.2%, 87.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,482,111
CSS custom property--colour: #3521FF;

Brightness & contrast

Relative luminance0.09065WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.47:1
Contrast with white7.47:1WCAG normal text: AAA
Contrast with black2.81:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#CADE00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FFFno red cones; affects about 1% of men; ΔE 38.7 from the original
Deuteranopia#004AFCno green cones; the most common form, about 1% of men; ΔE 24.4 from the original
Tritanopia#006F98no blue cones; rare, and affects men and women equally; ΔE 110.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.47:1WCAG large text: AAA
Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Blue · ΔE 9.6Medium blue · ΔE 16.1Blue violet · ΔE 27.6Dark violet · ΔE 31.5Dark orchid · ΔE 42.7Dark blue · ΔE 45.2
Nearest named CSS colourBlue (#0000FF)ΔE 9.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBFF21
Analogous#217CFF, #A421FF
Triadic#FF3521, #21FF35
Split complementary#FFA421, #7CFF21
Tetradic#FF217C, #EBFF21, #21FFA4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFEDFF
Lighter +30%#C0BAFF
Lighter +20%#9287FF
Lighter +10%#6354FF
Darker −10%#1500ED
Darker −20%#1100BA
Darker −30%#0C0087
Darker −40%#080054
More saturated +25%#3521FF
Less saturated −25%#4C3DE3

Channel breakdown

R53
G33
B255
Red53 (20.8%)
Green33 (12.9%)
Blue255 (100%)
Hue245.41°
Saturation (HSL)100%
Lightness56.47%
Dominant channelBlue
Hex per channelR 35 · G 21 · B FF

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Every value on this page was computed from “3521ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.