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Recognised as Colour

#321BA1

  • #321BA1
  • Blue
  • Dark
  • Nearest: Dark blue

#321BA1 is a blue with RGB values 50, 27, 161 and HSL 250°, 71%, 37%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#321BA1#321BA1
HEX#321BA1
RGBrgb(50, 27, 161)
RGB (0–1)0.1961, 0.1059, 0.6314
RGB percentages19.6%, 10.6%, 63.1%
HSLhsl(250.3, 71.3%, 36.9%)
HSV / HSBhsv(250.3, 83.2%, 63.1%)
CMYK68.9%, 83.2%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,283,873
CSS custom property--colour: #321BA1;

Brightness & contrast

Relative luminance0.04035WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.62:1
Contrast with white11.62:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#CDE45E

Colour vision & accessibility

Protanopia#003EA5no red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#00339Fno green cones; the most common form, about 1% of men; ΔE 18.6 from the original
Tritanopia#004560no blue cones; rare, and affects men and women equally; ΔE 73.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.62:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 9.28, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#8AA11B
Analogous#1B47A1, #751BA1
Triadic#A1321B, #1BA132
Split complementary#A1751B, #47A11B
Tetradic#A11B47, #8AA11B, #1BA175

Tints, shades & saturation

Lighter +40%#A89AEE
Lighter +30%#836EE7
Lighter +20%#5E43DF
Lighter +10%#4022CD
Darker −10%#241475
Darker −20%#170C4A
Darker −30%#09051E
Darker −40%#000000
More saturated +25%#2303B9
Less saturated −25%#41328A

Channel breakdown

R50
G27
B161
Red50 (19.6%)
Green27 (10.6%)
Blue161 (63.1%)
Hue250.3°
Saturation (HSL)71.28%
Lightness36.86%
Dominant channelBlue
Hex per channelR 32 · G 1B · B A1

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Every value on this page was computed from “321ba1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.