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Colour

#3F00D3

  • #3F00D3
  • Violet
  • Dark
  • Nearest: Medium blue

#3F00D3 is a violet with RGB values 63, 0, 211 and HSL 258°, 100%, 41%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3F00D3#3F00D3
HEX#3F00D3
RGBrgb(63, 0, 211)
RGB (0–1)0.2471, 0, 0.8275
RGB percentages24.7%, 0%, 82.7%
HSLhsl(257.9, 100%, 41.4%)
HSV / HSBhsv(257.9, 100%, 82.7%)
CMYK70.1%, 100%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,128,979
CSS custom property--colour: #3F00D3;

Brightness & contrast

Relative luminance0.0576WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.76:1
Contrast with white9.76:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#C0FF2C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BD8no red cones; affects about 1% of men; ΔE 35.4 from the original
Deuteranopia#003CD0no green cones; the most common form, about 1% of men; ΔE 27.7 from the original
Tritanopia#00567Bno blue cones; rare, and affects men and women equally; ΔE 98.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.76:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.5Blue violet · ΔE 19.2Blue · ΔE 21.8Dark violet · ΔE 22.1Dark blue · ΔE 31.1Dark orchid · ΔE 32.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.47, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#94D300
Analogous#002AD3, #A900D3
Triadic#D33F00, #00D33F
Split complementary#D3A900, #2AD300
Tetradic#D3002A, #94D300, #00D3A9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCA0FF
Lighter +30%#996DFF
Lighter +20%#753AFF
Lighter +10%#5107FF
Darker −10%#3000A0
Darker −20%#21006D
Darker −30%#11003A
Darker −40%#020007
More saturated +25%#3F00D3
Less saturated −25%#4A1AB9

Channel breakdown

R63
G0
B211
Red63 (24.7%)
Green0 (0%)
Blue211 (82.7%)
Hue257.91°
Saturation (HSL)100%
Lightness41.37%
Dominant channelBlue
Hex per channelR 3F · G 00 · B D3

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Every value on this page was computed from “3f00d3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.