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Recognised as Colour

#1311BA

  • #1311BA
  • Blue
  • Dark
  • Nearest: Medium blue

#1311BA is a blue with RGB values 19, 17, 186 and HSL 241°, 83%, 40%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1311BA#1311BA
HEX#1311BA
RGBrgb(19, 17, 186)
RGB (0–1)0.0745, 0.0667, 0.7294
RGB percentages7.5%, 6.7%, 72.9%
HSLhsl(240.7, 83.3%, 39.8%)
HSV / HSBhsv(240.7, 90.9%, 72.9%)
CMYK89.8%, 90.9%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,249,722
CSS custom property--colour: #1311BA;

Brightness & contrast

Relative luminance0.04085WCAG 2.x, 0 is black and 1 is white
Perceived brightness65 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.56:1
Contrast with white11.56:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#ECEE45

Colour vision & accessibility

Protanopia#0042BEno red cones; affects about 1% of men; ΔE 29.6 from the original
Deuteranopia#002FB7no green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#004E6Dno blue cones; rare, and affects men and women equally; ΔE 89 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.56:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Nearest named CSS colourMedium blue (#0000CD)ΔE 12.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#B8BA11
Analogous#1164BA, #6711BA
Triadic#BA1311, #11BA13
Split complementary#BA6711, #64BA11
Tetradic#BA1164, #B8BA11, #11BA67

Tints, shades & saturation

Lighter +40%#A2A1F6
Lighter +30%#7372F2
Lighter +20%#4543EE
Lighter +10%#1815E9
Darker −10%#0E0D8B
Darker −20%#09085D
Darker −30%#05042E
Darker −40%#000000
More saturated +25%#0200CB
Less saturated −25%#2C2AA1

Channel breakdown

R19
G17
B186
Red19 (7.5%)
Green17 (6.7%)
Blue186 (72.9%)
Hue240.71°
Saturation (HSL)83.25%
Lightness39.8%
Dominant channelBlue
Hex per channelR 13 · G 11 · B BA

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Every value on this page was computed from “1311ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.