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Recognised as Colour

#3A1FAC

  • #3A1FAC
  • Blue
  • Dark
  • Nearest: Dark blue

#3A1FAC is a blue with RGB values 58, 31, 172 and HSL 251°, 69%, 40%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3A1FAC#3A1FAC
HEX#3A1FAC
RGBrgb(58, 31, 172)
RGB (0–1)0.2275, 0.1216, 0.6745
RGB percentages22.7%, 12.2%, 67.5%
HSLhsl(251.5, 69.5%, 39.8%)
HSV / HSBhsv(251.5, 82%, 67.5%)
CMYK66.3%, 82%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,809,196
CSS custom property--colour: #3A1FAC;

Brightness & contrast

Relative luminance0.04858WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.65:1
Contrast with white10.65:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#C5E053

Colour vision & accessibility

Protanopia#0043B0no red cones; affects about 1% of men; ΔE 25.5 from the original
Deuteranopia#0039AAno green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#004B67no blue cones; rare, and affects men and women equally; ΔE 76.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.65:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 11.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#91AC1F
Analogous#1F4BAC, #811FAC
Triadic#AC3A1F, #1FAC3A
Split complementary#AC811F, #4AAC1F
Tetradic#AC1F4B, #91AC1F, #1FAC81

Tints, shades & saturation

Lighter +40%#B5A8EF
Lighter +30%#917DE7
Lighter +20%#6D51E0
Lighter +10%#4927D7
Darker −10%#2B1781
Darker −20%#1D0F56
Darker −30%#0E082A
Darker −40%#000000
More saturated +25%#2A06C5
Less saturated −25%#4A3893

Channel breakdown

R58
G31
B172
Red58 (22.7%)
Green31 (12.2%)
Blue172 (67.5%)
Hue251.49°
Saturation (HSL)69.46%
Lightness39.8%
Dominant channelBlue
Hex per channelR 3A · G 1F · B AC

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Every value on this page was computed from “3a1fac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.