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Recognised as Colour

#3F2172

  • #3F2172
  • Violet
  • Dark
  • Nearest: Midnight blue

#3F2172 is a violet with RGB values 63, 33, 114 and HSL 262°, 55%, 29%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3F2172#3F2172
HEX#3F2172
RGBrgb(63, 33, 114)
RGB (0–1)0.2471, 0.1294, 0.4471
RGB percentages24.7%, 12.9%, 44.7%
HSLhsl(262.2, 55.1%, 28.8%)
HSV / HSBhsv(262.2, 71.1%, 44.7%)
CMYK44.7%, 71.1%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,137,330
CSS custom property--colour: #3F2172;

Brightness & contrast

Relative luminance0.03359WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.56:1
Contrast with white12.56:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#C0DE8D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003474no red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#003270no green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#313546no blue cones; rare, and affects men and women equally; ΔE 43.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.56:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.9Dark slateblue · ΔE 12.1Rebecca purple · ΔE 15.8Indigo · ΔE 21.6Purple · ΔE 27.2Navy · ΔE 28.3
Nearest named CSS colourMidnight blue (#191970)ΔE 9.91, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#547221
Analogous#212C72, #672172
Triadic#723F21, #21723F
Split complementary#726821, #2C7221
Tetradic#72212C, #547221, #217267

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A484DB
Lighter +30%#875CD0
Lighter +20%#6B38C1
Lighter +10%#552C9A
Darker −10%#29164A
Darker −20%#130A23
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3A0F84
Less saturated −25%#443360

Channel breakdown

R63
G33
B114
Red63 (24.7%)
Green33 (12.9%)
Blue114 (44.7%)
Hue262.22°
Saturation (HSL)55.1%
Lightness28.82%
Dominant channelBlue
Hex per channelR 3F · G 21 · B 72

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Every value on this page was computed from “3f2172” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.