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Recognised as Colour

#3C1F4B

  • #3C1F4B
  • Violet
  • Dark
  • Nearest: Dark slateblue

#3C1F4B is a violet with RGB values 60, 31, 75 and HSL 280°, 42%, 21%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3C1F4B#3C1F4B
HEX#3C1F4B
RGBrgb(60, 31, 75)
RGB (0–1)0.2353, 0.1216, 0.2941
RGB percentages23.5%, 12.2%, 29.4%
HSLhsl(279.5, 41.5%, 20.8%)
HSV / HSBhsv(279.5, 58.7%, 29.4%)
CMYK20%, 58.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,940,171
CSS custom property--colour: #3C1F4B;

Brightness & contrast

Relative luminance0.02449WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.1:1
Contrast with white14.1:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#C3E0B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#142A4Cno red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#1D2C4Ano green cones; the most common form, about 1% of men; ΔE 18.9 from the original
Tritanopia#3B2631no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.1:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.3Midnight blue · ΔE 29.1Rebecca purple · ΔE 35.6Black · ΔE 36.3Purple · ΔE 40.6Dark slate grey · ΔE 41.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.35, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E4B1F
Analogous#261F4B, #4B1F44
Triadic#4B3C1F, #1F4B3C
Split complementary#444B1F, #1F4B26
Tetradic#4B261F, #2E4B1F, #1F444B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A871C5
Lighter +30%#924DB6
Lighter +20%#763D93
Lighter +10%#592E6F
Darker −10%#1F1027
Darker −20%#020103
Darker −30%#000000
Darker −40%#000000
More saturated +25%#401258
Less saturated −25%#382C3E

Channel breakdown

R60
G31
B75
Red60 (23.5%)
Green31 (12.2%)
Blue75 (29.4%)
Hue279.55°
Saturation (HSL)41.51%
Lightness20.78%
Dominant channelBlue
Hex per channelR 3C · G 1F · B 4B

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Every value on this page was computed from “3c1f4b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.