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Recognised as Colour

#3F1055

  • #3F1055
  • Violet
  • Dark
  • Nearest: Midnight blue

#3F1055 is a violet with RGB values 63, 16, 85 and HSL 281°, 68%, 20%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3F1055#3F1055
HEX#3F1055
RGBrgb(63, 16, 85)
RGB (0–1)0.2471, 0.0627, 0.3333
RGB percentages24.7%, 6.3%, 33.3%
HSLhsl(280.9, 68.3%, 19.8%)
HSV / HSBhsv(280.9, 81.2%, 33.3%)
CMYK25.9%, 81.2%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,132,949
CSS custom property--colour: #3F1055;

Brightness & contrast

Relative luminance0.02083WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.82:1
Contrast with white14.82:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#C0EFAA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002557no red cones; affects about 1% of men; ΔE 24.3 from the original
Deuteranopia#072954no green cones; the most common form, about 1% of men; ΔE 27.9 from the original
Tritanopia#3C2032no blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.82:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 18.4Dark slateblue · ΔE 20.2Rebecca purple · ΔE 24.6Indigo · ΔE 28.2Purple · ΔE 28.5Dark magenta · ΔE 33.4
Nearest named CSS colourMidnight blue (#191970)ΔE 18.38, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#265510
Analogous#1C1055, #551049
Triadic#553F10, #10553F
Split complementary#495510, #10551C
Tetradic#551D10, #265510, #104955

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B252DF
Lighter +30%#9E28D6
Lighter +20%#7F20AB
Lighter +10%#5F1880
Darker −10%#1F082A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#440362
Less saturated −25%#3A1D48

Channel breakdown

R63
G16
B85
Red63 (24.7%)
Green16 (6.3%)
Blue85 (33.3%)
Hue280.87°
Saturation (HSL)68.32%
Lightness19.8%
Dominant channelBlue
Hex per channelR 3F · G 10 · B 55

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Every value on this page was computed from “3f1055” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.