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Recognised as Colour

#2B01A3

  • #2B01A3
  • Violet
  • Dark
  • Nearest: Dark blue

#2B01A3 is a violet with RGB values 43, 1, 163 and HSL 256°, 99%, 32%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2B01A3#2B01A3
HEX#2B01A3
RGBrgb(43, 1, 163)
RGB (0–1)0.1686, 0.0039, 0.6392
RGB percentages16.9%, 0.4%, 63.9%
HSLhsl(255.6, 98.8%, 32.2%)
HSV / HSBhsv(255.6, 99.4%, 63.9%)
CMYK73.6%, 99.4%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,818,467
CSS custom property--colour: #2B01A3;

Brightness & contrast

Relative luminance0.0318WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.84:1
Contrast with white12.84:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#D4FE5C

Colour vision & accessibility

Protanopia#0038A7no red cones; affects about 1% of men; ΔE 29 from the original
Deuteranopia#002BA1no green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#00415Eno blue cones; rare, and affects men and women equally; ΔE 81.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.84:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 10.21, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#79A301
Analogous#0128A3, #7C01A3
Triadic#A32B01, #01A32B
Split complementary#A37C01, #28A301
Tetradic#A30128, #79A301, #01A37C

Tints, shades & saturation

Lighter +40%#9672FE
Lighter +30%#713FFE
Lighter +20%#4B0CFE
Lighter +10%#3801D6
Darker −10%#1E0170
Darker −20%#10003E
Darker −30%#03000B
Darker −40%#000000
More saturated +25%#2B00A4
Less saturated −25%#35168E

Channel breakdown

R43
G1
B163
Red43 (16.9%)
Green1 (0.4%)
Blue163 (63.9%)
Hue255.56°
Saturation (HSL)98.78%
Lightness32.16%
Dominant channelBlue
Hex per channelR 2B · G 01 · B A3

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Every value on this page was computed from “2b01a3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.