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Recognised as Colour

#2B0355

  • #2B0355
  • Violet
  • Dark
  • Nearest: Midnight blue

#2B0355 is a violet with RGB values 43, 3, 85 and HSL 269°, 93%, 17%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B0355#2B0355
HEX#2B0355
RGBrgb(43, 3, 85)
RGB (0–1)0.1686, 0.0118, 0.3333
RGB percentages16.9%, 1.2%, 33.3%
HSLhsl(269.3, 93.2%, 17.3%)
HSV / HSBhsv(269.3, 96.5%, 33.3%)
CMYK49.4%, 96.5%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,818,901
CSS custom property--colour: #2B0355;

Brightness & contrast

Relative luminance0.01235WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.84:1
Contrast with white16.84:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#D4FCAA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D57no red cones; affects about 1% of men; ΔE 20.1 from the original
Deuteranopia#001C54no green cones; the most common form, about 1% of men; ΔE 20.8 from the original
Tritanopia#1F1D2Fno blue cones; rare, and affects men and women equally; ΔE 41.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.84:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.9Indigo · ΔE 22.5Dark slateblue · ΔE 22.6Rebecca purple · ΔE 24.1Navy · ΔE 27.3Purple · ΔE 29.7
Nearest named CSS colourMidnight blue (#191970)ΔE 11.89, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D5503
Analogous#030455, #540355
Triadic#552B03, #03552B
Split complementary#555403, #045503
Tetradic#550304, #2D5503, #035554

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#902CF8
Lighter +30%#7608E9
Lighter +20%#5D06B8
Lighter +10%#440586
Darker −10%#120124
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2B0058
Less saturated −25%#2B0E4A

Channel breakdown

R43
G3
B85
Red43 (16.9%)
Green3 (1.2%)
Blue85 (33.3%)
Hue269.27°
Saturation (HSL)93.18%
Lightness17.25%
Dominant channelBlue
Hex per channelR 2B · G 03 · B 55

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Every value on this page was computed from “2b0355” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.