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Recognised as Colour

#3F41F1

  • #3F41F1
  • Blue
  • Dark
  • Nearest: Blue violet

#3F41F1 is a blue with RGB values 63, 65, 241 and HSL 239°, 86%, 60%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#3F41F1#3F41F1
HEX#3F41F1
RGBrgb(63, 65, 241)
RGB (0–1)0.2471, 0.2549, 0.9451
RGB percentages24.7%, 25.5%, 94.5%
HSLhsl(239.3, 86.4%, 59.6%)
HSV / HSBhsv(239.3, 73.9%, 94.5%)
CMYK73.9%, 73%, 0%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,145,649
CSS custom property--colour: #3F41F1;

Brightness & contrast

Relative luminance0.11188WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.49:1
Contrast with white6.49:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#C0BE0E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067F6no red cones; affects about 1% of men; ΔE 27.3 from the original
Deuteranopia#0055EEno green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#007496no blue cones; rare, and affects men and women equally; ΔE 93.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.49:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Blue violet · ΔE 19.2Medium blue · ΔE 19.4Dark violet · ΔE 26.8Medium slateblue · ΔE 29Dark orchid · ΔE 29.1Dark blue · ΔE 31.7
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 19.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F1EF3F
Analogous#3F9AF1, #963FF1
Triadic#F13F41, #41F13F
Split complementary#F1963F, #9AF13F
Tetradic#F13F9A, #F1EF3F, #3FF196

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFF
Lighter +30%#CECEFB
Lighter +20%#9E9FF8
Lighter +10%#6F70F4
Darker −10%#1114EC
Darker −20%#0E10BC
Darker −30%#0A0C8D
Darker −40%#07085D
More saturated +25%#3133FF
Less saturated −25%#595AD7

Channel breakdown

R63
G65
B241
Red63 (24.7%)
Green65 (25.5%)
Blue241 (94.5%)
Hue239.33°
Saturation (HSL)86.41%
Lightness59.61%
Dominant channelBlue
Hex per channelR 3F · G 41 · B F1

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Every value on this page was computed from “3f41f1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.