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Recognised as Colour

#3F1F67

  • #3F1F67
  • Violet
  • Dark
  • Nearest: Dark slateblue

#3F1F67 is a violet with RGB values 63, 31, 103 and HSL 267°, 54%, 26%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F1F67#3F1F67
HEX#3F1F67
RGBrgb(63, 31, 103)
RGB (0–1)0.2471, 0.1216, 0.4039
RGB percentages24.7%, 12.2%, 40.4%
HSLhsl(266.7, 53.7%, 26.3%)
HSV / HSBhsv(266.7, 69.9%, 40.4%)
CMYK38.8%, 69.9%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,136,807
CSS custom property--colour: #3F1F67;

Brightness & contrast

Relative luminance0.03016WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.1:1
Contrast with white13.1:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#C0E098

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003069no red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#003065no green cones; the most common form, about 1% of men; ΔE 23 from the original
Tritanopia#362F40no blue cones; rare, and affects men and women equally; ΔE 36.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.1:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.2Midnight blue · ΔE 13.7Rebecca purple · ΔE 20.1Indigo · ΔE 26.2Purple · ΔE 29Navy · ΔE 33.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.24, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#47671F
Analogous#1F2367, #631F67
Triadic#673F1F, #1F673F
Split complementary#67631F, #23671F
Tetradic#671F23, #47671F, #1F6763

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A47BD7
Lighter +30%#8954CB
Lighter +20%#6F37B5
Lighter +10%#572B8E
Darker −10%#271340
Darker −20%#0F0719
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3D0E78
Less saturated −25%#413056

Channel breakdown

R63
G31
B103
Red63 (24.7%)
Green31 (12.2%)
Blue103 (40.4%)
Hue266.67°
Saturation (HSL)53.73%
Lightness26.27%
Dominant channelBlue
Hex per channelR 3F · G 1F · B 67

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Every value on this page was computed from “3f1f67” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.