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Recognised as Colour

#3F008E

  • #3F008E
  • Violet
  • Dark
  • Nearest: Indigo

#3F008E is a violet with RGB values 63, 0, 142 and HSL 267°, 100%, 28%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#3F008E#3F008E
HEX#3F008E
RGBrgb(63, 0, 142)
RGB (0–1)0.2471, 0, 0.5569
RGB percentages24.7%, 0%, 55.7%
HSLhsl(266.6, 100%, 27.8%)
HSV / HSBhsv(266.6, 100%, 55.7%)
CMYK55.6%, 100%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,128,910
CSS custom property--colour: #3F008E;

Brightness & contrast

Relative luminance0.0301WCAG 2.x, 0 is black and 1 is white
Perceived brightness59 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.11:1
Contrast with white13.11:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#C0FF71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003391no red cones; affects about 1% of men; ΔE 28.8 from the original
Deuteranopia#002D8Cno green cones; the most common form, about 1% of men; ΔE 26.4 from the original
Tritanopia#1F3551no blue cones; rare, and affects men and women equally; ΔE 67 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.11:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Indigo · ΔE 8.4Dark blue · ΔE 9.4Navy · ΔE 9.7Rebecca purple · ΔE 22Midnight blue · ΔE 25.1Dark orchid · ΔE 26.2
Nearest named CSS colourIndigo (#4B0082)ΔE 8.42, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F8E00
Analogous#00088E, #86008E
Triadic#8E3F00, #008E3F
Split complementary#8E8600, #088E00
Tetradic#8E0008, #4F8E00, #008E86

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A45BFF
Lighter +30%#8728FF
Lighter +20%#6C00F4
Lighter +10%#5600C1
Darker −10%#28005B
Darker −20%#120028
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3F008E
Less saturated −25%#41127C

Channel breakdown

R63
G0
B142
Red63 (24.7%)
Green0 (0%)
Blue142 (55.7%)
Hue266.62°
Saturation (HSL)100%
Lightness27.84%
Dominant channelBlue
Hex per channelR 3F · G 00 · B 8E

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Every value on this page was computed from “3f008e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.