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Recognised as Colour

#3F1565

  • #3F1565
  • Violet
  • Dark
  • Nearest: Midnight blue

#3F1565 is a violet with RGB values 63, 21, 101 and HSL 272°, 66%, 24%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3F1565#3F1565
HEX#3F1565
RGBrgb(63, 21, 101)
RGB (0–1)0.2471, 0.0824, 0.3961
RGB percentages24.7%, 8.2%, 39.6%
HSLhsl(271.5, 65.6%, 23.9%)
HSV / HSBhsv(271.5, 79.2%, 39.6%)
CMYK37.6%, 79.2%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,134,245
CSS custom property--colour: #3F1565;

Brightness & contrast

Relative luminance0.02533WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.94:1
Contrast with white13.94:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#C0EA9A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B67no red cones; affects about 1% of men; ΔE 23.1 from the original
Deuteranopia#002C63no green cones; the most common form, about 1% of men; ΔE 25.8 from the original
Tritanopia#37293Cno blue cones; rare, and affects men and women equally; ΔE 38.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.94:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.1Dark slateblue · ΔE 16.7Rebecca purple · ΔE 18.4Indigo · ΔE 21.5Purple · ΔE 25.6Navy · ΔE 28.9
Nearest named CSS colourMidnight blue (#191970)ΔE 12.07, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B6515
Analogous#171565, #651563
Triadic#653F15, #15653F
Split complementary#636515, #156517
Tetradic#651715, #3B6515, #156365

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A667DF
Lighter +30%#8D3CD7
Lighter +20%#7427B9
Lighter +10%#591E8F
Darker −10%#250C3B
Darker −20%#0A0311
Darker −30%#000000
Darker −40%#000000
More saturated +25%#400674
Less saturated −25%#3E2456

Channel breakdown

R63
G21
B101
Red63 (24.7%)
Green21 (8.2%)
Blue101 (39.6%)
Hue271.5°
Saturation (HSL)65.57%
Lightness23.92%
Dominant channelBlue
Hex per channelR 3F · G 15 · B 65

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Every value on this page was computed from “3f1565” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.