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Colour

#A40154

  • #A40154
  • Magenta
  • Dark
  • Nearest: Medium violet red

#A40154 is a magenta with RGB values 164, 1, 84 and HSL 329°, 99%, 32%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium violet red.

Colour values

#A40154#A40154
HEX#A40154
RGBrgb(164, 1, 84)
RGB (0–1)0.6431, 0.0039, 0.3294
RGB percentages64.3%, 0.4%, 32.9%
HSLhsl(329.4, 98.8%, 32.4%)
HSV / HSBhsv(329.4, 99.4%, 64.3%)
CMYK0%, 99.4%, 48.8%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,748,244
CSS custom property--colour: #A40154;

Brightness & contrast

Relative luminance0.08554WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.75:1
Contrast with white7.75:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#5BFEAB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#374055no red cones; affects about 1% of men; ΔE 61.1 from the original
Deuteranopia#605D51no green cones; the most common form, about 1% of men; ΔE 62.6 from the original
Tritanopia#B3002Fno blue cones; rare, and affects men and women equally; ΔE 27.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.75:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Medium violet red · ΔE 21Pale violetred · ΔE 29.8Deep pink · ΔE 32.1Brown · ΔE 32.1Hot pink · ΔE 32.5Indian red · ΔE 32.6
Nearest named CSS colourMedium violet red (#C71585)ΔE 20.99, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#01A451
Analogous#A201A4, #A40103
Triadic#54A401, #0154A4
Split complementary#02A401, #01A4A2
Tetradic#A4A301, #01A451, #0103A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FE73BA
Lighter +30%#FE40A1
Lighter +20%#FE0D88
Lighter +10%#D7016E
Darker −10%#71013A
Darker −20%#3F0020
Darker −30%#0C0006
Darker −40%#000000
More saturated +25%#A50054
Less saturated −25%#8F1654

Channel breakdown

R164
G1
B84
Red164 (64.3%)
Green1 (0.4%)
Blue84 (32.9%)
Hue329.45°
Saturation (HSL)98.79%
Lightness32.35%
Dominant channelRed
Hex per channelR A4 · G 01 · B 54

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Every value on this page was computed from “a40154” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.