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Recognised as Colour

#2B0133

  • #2B0133
  • Magenta
  • Dark
  • Nearest: Midnight blue

#2B0133 is a magenta with RGB values 43, 1, 51 and HSL 290°, 96%, 10%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B0133#2B0133
HEX#2B0133
RGBrgb(43, 1, 51)
RGB (0–1)0.1686, 0.0039, 0.2
RGB percentages16.9%, 0.4%, 20%
HSLhsl(290.4, 96.2%, 10.2%)
HSV / HSBhsv(290.4, 98%, 20%)
CMYK15.7%, 98%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,818,355
CSS custom property--colour: #2B0133;

Brightness & contrast

Relative luminance0.00774WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.18:1
Contrast with white18.18:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#D4FECC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001334no red cones; affects about 1% of men; ΔE 22.1 from the original
Deuteranopia#051732no green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#2B0B1Ano blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.18:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 29Dark slateblue · ΔE 31.3Black · ΔE 37.2Rebecca purple · ΔE 38.6Purple · ΔE 40.2Indigo · ΔE 40.8
Nearest named CSS colourMidnight blue (#191970)ΔE 29.03, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#093301
Analogous#120133, #330122
Triadic#332B01, #01332B
Split complementary#223301, #013312
Tetradic#331201, #093301, #012233

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D306FA
Lighter +30%#AA04C9
Lighter +20%#7F0397
Lighter +10%#550265
Darker −10%#010001
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2C0034
Less saturated −25%#27072D

Channel breakdown

R43
G1
B51
Red43 (16.9%)
Green1 (0.4%)
Blue51 (20%)
Hue290.4°
Saturation (HSL)96.15%
Lightness10.2%
Dominant channelBlue
Hex per channelR 2B · G 01 · B 33

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Every value on this page was computed from “2b0133” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.