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Recognised as Colour

#40013F

  • #40013F
  • Magenta
  • Dark
  • Nearest: Midnight blue

#40013F is a magenta with RGB values 64, 1, 63 and HSL 301°, 97%, 13%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#40013F#40013F
HEX#40013F
RGBrgb(64, 1, 63)
RGB (0–1)0.251, 0.0039, 0.2471
RGB percentages25.1%, 0.4%, 24.7%
HSLhsl(301, 96.9%, 12.7%)
HSV / HSBhsv(301, 98.4%, 25.1%)
CMYK0%, 98.4%, 1.6%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,194,623
CSS custom property--colour: #40013F;

Brightness & contrast

Relative luminance0.01471WCAG 2.x, 0 is black and 1 is white
Perceived brightness41 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.23:1
Contrast with white16.23:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#BFFEC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001B41no red cones; affects about 1% of men; ΔE 28.9 from the original
Deuteranopia#16233Eno green cones; the most common form, about 1% of men; ΔE 31.8 from the original
Tritanopia#430C21no blue cones; rare, and affects men and women equally; ΔE 24.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.23:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 28.3Dark slateblue · ΔE 29.1Purple · ΔE 32.4Rebecca purple · ΔE 33.3Indigo · ΔE 36.2Dark magenta · ΔE 37.5
Nearest named CSS colourMidnight blue (#191970)ΔE 28.32, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#014002
Analogous#210140, #400120
Triadic#3F4001, #013F40
Split complementary#1F4001, #014022
Tetradic#402201, #014002, #011F40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FB12F8
Lighter +30%#D703D3
Lighter +20%#A403A2
Lighter +10%#720270
Darker −10%#0E000E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#410040
Less saturated −25%#380937

Channel breakdown

R64
G1
B63
Red64 (25.1%)
Green1 (0.4%)
Blue63 (24.7%)
Hue300.95°
Saturation (HSL)96.92%
Lightness12.75%
Dominant channelRed
Hex per channelR 40 · G 01 · B 3F

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Every value on this page was computed from “40013f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.