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Recognised as Colour

#A40478

  • #A40478
  • Magenta
  • Dark
  • Nearest: Medium violet red

#A40478 is a magenta with RGB values 164, 4, 120 and HSL 317°, 95%, 33%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium violet red.

Colour values

#A40478#A40478
HEX#A40478
RGBrgb(164, 4, 120)
RGB (0–1)0.6431, 0.0157, 0.4706
RGB percentages64.3%, 1.6%, 47.1%
HSLhsl(316.5, 95.2%, 32.9%)
HSV / HSBhsv(316.5, 97.6%, 64.3%)
CMYK0%, 97.6%, 26.8%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,749,048
CSS custom property--colour: #A40478;

Brightness & contrast

Relative luminance0.09335WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.32:1
Contrast with white7.32:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#5BFB87

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#26467Ano red cones; affects about 1% of men; ΔE 59.4 from the original
Deuteranopia#575F75no green cones; the most common form, about 1% of men; ΔE 62.4 from the original
Tritanopia#B00045no blue cones; rare, and affects men and women equally; ΔE 33.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.32:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Medium violet red · ΔE 11.7Purple · ΔE 18.4Dark magenta · ΔE 19Hot pink · ΔE 30.4Orchid · ΔE 31.1Deep pink · ΔE 31.6
Nearest named CSS colourMedium violet red (#C71585)ΔE 11.74, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#04A430
Analogous#8004A4, #A40428
Triadic#78A404, #0478A4
Split complementary#28A404, #04A480
Tetradic#A48004, #04A430, #0428A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FC78D8
Lighter +30%#FB47C9
Lighter +20%#F915BA
Lighter +10%#D6059C
Darker −10%#720354
Darker −20%#40022F
Darker −30%#0F000B
Darker −40%#000000
More saturated +25%#A8007A
Less saturated −25%#8F196F

Channel breakdown

R164
G4
B120
Red164 (64.3%)
Green4 (1.6%)
Blue120 (47.1%)
Hue316.5°
Saturation (HSL)95.24%
Lightness32.94%
Dominant channelRed
Hex per channelR A4 · G 04 · B 78

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Every value on this page was computed from “a40478” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.