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Recognised as Colour

#B505A4

  • #B505A4
  • Magenta
  • Dark
  • Nearest: Dark magenta

#B505A4 is a magenta with RGB values 181, 5, 164 and HSL 306°, 95%, 36%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dark magenta.

Colour values

#B505A4#B505A4
HEX#B505A4
RGBrgb(181, 5, 164)
RGB (0–1)0.7098, 0.0196, 0.6431
RGB percentages71%, 2%, 64.3%
HSLhsl(305.8, 94.6%, 36.5%)
HSV / HSBhsv(305.8, 97.2%, 71%)
CMYK0%, 97.2%, 9.4%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,863,460
CSS custom property--colour: #B505A4;

Brightness & contrast

Relative luminance0.12613WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.96:1
Contrast with white5.96:1WCAG normal text: AA
Contrast with black3.52:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#4AFA5B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055A7no red cones; affects about 1% of men; ΔE 63 from the original
Deuteranopia#536BA1no green cones; the most common form, about 1% of men; ΔE 66.9 from the original
Tritanopia#BE2760no blue cones; rare, and affects men and women equally; ΔE 44.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.96:1WCAG large text: AAA
Contrast with black, large text3.52:1WCAG large text: AA

Named colours

Dark magenta · ΔE 14.2Purple · ΔE 18.8Medium orchid · ΔE 20.3Dark orchid · ΔE 23.3Medium violet red · ΔE 23.3Orchid · ΔE 27.5
Nearest named CSS colourDark magenta (#8B008B)ΔE 14.2, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#05B516
Analogous#6E05B5, #B5054C
Triadic#A4B505, #05A4B5
Split complementary#4CB505, #05B56E
Tetradic#B56E05, #05B516, #054CB5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FC8AF1
Lighter +30%#FA59EB
Lighter +20%#F927E5
Lighter +10%#E706D1
Darker −10%#830477
Darker −20%#52024A
Darker −30%#20011D
Darker −40%#000000
More saturated +25%#BA00A8
Less saturated −25%#9E1C91

Channel breakdown

R181
G5
B164
Red181 (71%)
Green5 (2%)
Blue164 (64.3%)
Hue305.8°
Saturation (HSL)94.62%
Lightness36.47%
Dominant channelRed
Hex per channelR B5 · G 05 · B A4

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Every value on this page was computed from “b505a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.