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Colour

#3C1663

  • #3C1663
  • Violet
  • Dark
  • Nearest: Midnight blue

#3C1663 is a violet with RGB values 60, 22, 99 and HSL 270°, 64%, 24%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3C1663#3C1663
HEX#3C1663
RGBrgb(60, 22, 99)
RGB (0–1)0.2353, 0.0863, 0.3882
RGB percentages23.5%, 8.6%, 38.8%
HSLhsl(269.6, 63.6%, 23.7%)
HSV / HSBhsv(269.6, 77.8%, 38.8%)
CMYK39.4%, 77.8%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,937,891
CSS custom property--colour: #3C1663;

Brightness & contrast

Relative luminance0.02435WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.12:1
Contrast with white14.12:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#C3E99C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B65no red cones; affects about 1% of men; ΔE 22.4 from the original
Deuteranopia#002B61no green cones; the most common form, about 1% of men; ΔE 24.3 from the original
Tritanopia#34293Bno blue cones; rare, and affects men and women equally; ΔE 38.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.12:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12Dark slateblue · ΔE 16.3Rebecca purple · ΔE 19.6Indigo · ΔE 23.1Purple · ΔE 27.2Navy · ΔE 30
Nearest named CSS colourMidnight blue (#191970)ΔE 12.04, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D6316
Analogous#161763, #621663
Triadic#633C16, #16633C
Split complementary#636316, #166316
Tetradic#631617, #3D6316, #166362

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A268DD
Lighter +30%#883ED4
Lighter +20%#6F29B6
Lighter +10%#551F8D
Darker −10%#230D39
Darker −20%#090310
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3C0772
Less saturated −25%#3C2554

Channel breakdown

R60
G22
B99
Red60 (23.5%)
Green22 (8.6%)
Blue99 (38.8%)
Hue269.61°
Saturation (HSL)63.64%
Lightness23.73%
Dominant channelBlue
Hex per channelR 3C · G 16 · B 63

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Every value on this page was computed from “3c1663” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.