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Recognised as Colour

#A405B1

  • #A405B1
  • Magenta
  • Dark
  • Nearest: Dark orchid

#A405B1 is a magenta with RGB values 164, 5, 177 and HSL 295°, 95%, 36%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#A405B1#A405B1
HEX#A405B1
RGBrgb(164, 5, 177)
RGB (0–1)0.6431, 0.0196, 0.6941
RGB percentages64.3%, 2%, 69.4%
HSLhsl(295.5, 94.5%, 35.7%)
HSV / HSBhsv(295.5, 97.2%, 69.4%)
CMYK7.3%, 97.2%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,749,361
CSS custom property--colour: #A405B1;

Brightness & contrast

Relative luminance0.11175WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.49:1
Contrast with white6.49:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#5BFA4E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053B5no red cones; affects about 1% of men; ΔE 54.2 from the original
Deuteranopia#3663AEno green cones; the most common form, about 1% of men; ΔE 62.4 from the original
Tritanopia#A73667no blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.49:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Dark orchid · ΔE 12.9Dark magenta · ΔE 16.3Medium orchid · ΔE 19.1Dark violet · ΔE 21Purple · ΔE 21.3Blue violet · ΔE 25.1
Nearest named CSS colourDark orchid (#9932CC)ΔE 12.86, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#12B105
Analogous#4E05B1, #B10568
Triadic#B1A405, #05B1A4
Split complementary#68B105, #05B14E
Tetradic#B14E05, #12B105, #0568B1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F386FC
Lighter +30%#EE55FA
Lighter +20%#E923F9
Lighter +10%#D206E3
Darker −10%#76047F
Darker −20%#48024E
Darker −30%#1A011C
Darker −40%#000000
More saturated +25%#A800B6
Less saturated −25%#911C9A

Channel breakdown

R164
G5
B177
Red164 (64.3%)
Green5 (2%)
Blue177 (69.4%)
Hue295.47°
Saturation (HSL)94.51%
Lightness35.69%
Dominant channelBlue
Hex per channelR A4 · G 05 · B B1

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Every value on this page was computed from “a405b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.