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Recognised as Colour

#3604CB

  • #3604CB
  • Violet
  • Dark
  • Nearest: Medium blue

#3604CB is a violet with RGB values 54, 4, 203 and HSL 255°, 96%, 41%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3604CB#3604CB
HEX#3604CB
RGBrgb(54, 4, 203)
RGB (0–1)0.2118, 0.0157, 0.7961
RGB percentages21.2%, 1.6%, 79.6%
HSLhsl(255.1, 96.1%, 40.6%)
HSV / HSBhsv(255.1, 98%, 79.6%)
CMYK73.4%, 98%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,540,171
CSS custom property--colour: #3604CB;

Brightness & contrast

Relative luminance0.05183WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.31:1
Contrast with white10.31:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#C9FB34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048D0no red cones; affects about 1% of men; ΔE 33.8 from the original
Deuteranopia#0038C8no green cones; the most common form, about 1% of men; ΔE 25.3 from the original
Tritanopia#005376no blue cones; rare, and affects men and women equally; ΔE 96.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.31:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.5Blue violet · ΔE 19.2Dark violet · ΔE 22.4Blue · ΔE 25.2Dark blue · ΔE 27.2Dark orchid · ΔE 31
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.53, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#99CB04
Analogous#0436CB, #9A04CB
Triadic#CB3604, #04CB36
Split complementary#CB9904, #36CB04
Tetradic#CB0436, #99CB04, #04CB9A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B69EFD
Lighter +30%#906CFC
Lighter +20%#6A3AFB
Lighter +10%#4508FA
Darker −10%#290399
Darker −20%#1B0267
Darker −30%#0E0135
Darker −40%#010003
More saturated +25%#3400CF
Less saturated −25%#431EB1

Channel breakdown

R54
G4
B203
Red54 (21.2%)
Green4 (1.6%)
Blue203 (79.6%)
Hue255.08°
Saturation (HSL)96.14%
Lightness40.59%
Dominant channelBlue
Hex per channelR 36 · G 04 · B CB

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Every value on this page was computed from “3604cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.