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Recognised as Colour

#321F91

  • #321F91
  • Blue
  • Dark
  • Nearest: Indigo

#321F91 is a blue with RGB values 50, 31, 145 and HSL 250°, 65%, 35%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#321F91#321F91
HEX#321F91
RGBrgb(50, 31, 145)
RGB (0–1)0.1961, 0.1216, 0.5686
RGB percentages19.6%, 12.2%, 56.9%
HSLhsl(250, 64.8%, 34.5%)
HSV / HSBhsv(250, 78.6%, 56.9%)
CMYK65.5%, 78.6%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,284,881
CSS custom property--colour: #321F91;

Brightness & contrast

Relative luminance0.03702WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.07:1
Contrast with white12.07:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#CDE06E

Colour vision & accessibility

Protanopia#003A94no red cones; affects about 1% of men; ΔE 21.4 from the original
Deuteranopia#00328Fno green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#004057no blue cones; rare, and affects men and women equally; ΔE 64.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.07:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Nearest named CSS colourIndigo (#4B0082)ΔE 11.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#7E911F
Analogous#1F4591, #6B1F91
Triadic#91321F, #1F9132
Split complementary#916B1F, #45911F
Tetradic#911F45, #7E911F, #1F916B

Tints, shades & saturation

Lighter +40%#A294E8
Lighter +30%#7D6ADF
Lighter +20%#5940D6
Lighter +10%#4028BB
Darker −10%#241667
Darker −20%#150D3D
Darker −30%#070413
Darker −40%#000000
More saturated +25%#2309A7
Less saturated −25%#41357B

Channel breakdown

R50
G31
B145
Red50 (19.6%)
Green31 (12.2%)
Blue145 (56.9%)
Hue250°
Saturation (HSL)64.77%
Lightness34.51%
Dominant channelBlue
Hex per channelR 32 · G 1F · B 91

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Every value on this page was computed from “321f91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.