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Recognised as Colour

#3B1685

  • #3B1685
  • Violet
  • Dark
  • Nearest: Indigo

#3B1685 is a violet with RGB values 59, 22, 133 and HSL 260°, 72%, 30%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#3B1685#3B1685
HEX#3B1685
RGBrgb(59, 22, 133)
RGB (0–1)0.2314, 0.0863, 0.5216
RGB percentages23.1%, 8.6%, 52.2%
HSLhsl(260, 71.6%, 30.4%)
HSV / HSBhsv(260, 83.5%, 52.2%)
CMYK55.6%, 83.5%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,872,389
CSS custom property--colour: #3B1685;

Brightness & contrast

Relative luminance0.03197WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.81:1
Contrast with white12.81:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#C4E97A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003488no red cones; affects about 1% of men; ΔE 23.4 from the original
Deuteranopia#002F83no green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#1D374Eno blue cones; rare, and affects men and women equally; ΔE 59.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.81:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Indigo · ΔE 7.9Navy · ΔE 13.2Midnight blue · ΔE 14.1Rebecca purple · ΔE 14.3Dark blue · ΔE 16.6Dark slateblue · ΔE 24.1
Nearest named CSS colourIndigo (#4B0082)ΔE 7.91, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#608516
Analogous#162885, #721685
Triadic#853B16, #16853B
Split complementary#857316, #298516
Tetradic#851629, #608516, #168573

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A17DEA
Lighter +30%#8252E2
Lighter +20%#6226DB
Lighter +10%#4E1DB1
Darker −10%#280F59
Darker −20%#14082D
Darker −30%#010002
Darker −40%#000000
More saturated +25%#350398
Less saturated −25%#412972

Channel breakdown

R59
G22
B133
Red59 (23.1%)
Green22 (8.6%)
Blue133 (52.2%)
Hue260°
Saturation (HSL)71.61%
Lightness30.39%
Dominant channelBlue
Hex per channelR 3B · G 16 · B 85

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Every value on this page was computed from “3b1685” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.