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Colour

#3F00DF

  • #3F00DF
  • Violet
  • Dark
  • Nearest: Medium blue

#3F00DF is a violet with RGB values 63, 0, 223 and HSL 257°, 100%, 44%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3F00DF#3F00DF
HEX#3F00DF
RGBrgb(63, 0, 223)
RGB (0–1)0.2471, 0, 0.8745
RGB percentages24.7%, 0%, 87.5%
HSLhsl(257, 100%, 43.7%)
HSV / HSBhsv(257, 100%, 87.5%)
CMYK71.7%, 100%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,128,991
CSS custom property--colour: #3F00DF;

Brightness & contrast

Relative luminance0.06384WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.22:1
Contrast with white9.22:1WCAG normal text: AAA
Contrast with black2.28:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#C0FF20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004FE4no red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#003EDCno green cones; the most common form, about 1% of men; ΔE 27.6 from the original
Tritanopia#005B82no blue cones; rare, and affects men and women equally; ΔE 103.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.22:1WCAG large text: AAA
Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.7Blue · ΔE 16.5Blue violet · ΔE 21.8Dark violet · ΔE 24.6Dark orchid · ΔE 36Dark blue · ΔE 36.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.73, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A0DF00
Analogous#0031DF, #AE00DF
Triadic#DF3F00, #00DF3F
Split complementary#DFAE00, #31DF00
Tetradic#DF0031, #A0DF00, #00DFAE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3ACFF
Lighter +30%#9F79FF
Lighter +20%#7A46FF
Lighter +10%#5613FF
Darker −10%#3100AC
Darker −20%#220079
Darker −30%#140046
Darker −40%#050013
More saturated +25%#3F00DF
Less saturated −25%#4B1CC3

Channel breakdown

R63
G0
B223
Red63 (24.7%)
Green0 (0%)
Blue223 (87.5%)
Hue256.95°
Saturation (HSL)100%
Lightness43.73%
Dominant channelBlue
Hex per channelR 3F · G 00 · B DF

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Every value on this page was computed from “3f00df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.