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Recognised as Colour

#BB51AD

  • #BB51AD
  • Magenta
  • Dark
  • Nearest: Orchid

#BB51AD is a magenta with RGB values 187, 81, 173 and HSL 308°, 44%, 53%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#BB51AD#BB51AD
HEX#BB51AD
RGBrgb(187, 81, 173)
RGB (0–1)0.7333, 0.3176, 0.6784
RGB percentages73.3%, 31.8%, 67.8%
HSLhsl(307.9, 43.8%, 52.5%)
HSV / HSBhsv(307.9, 56.7%, 73.3%)
CMYK0%, 56.7%, 7.5%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,276,141
CSS custom property--colour: #BB51AD;

Brightness & contrast

Relative luminance0.19467WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.89:1
Contrast with white4.29:1WCAG normal text: Fail
Contrast with black4.89:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#44AE52

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E70B0no red cones; affects about 1% of men; ΔE 48.1 from the original
Deuteranopia#6F80AAno green cones; the most common form, about 1% of men; ΔE 50.4 from the original
Tritanopia#C35978no blue cones; rare, and affects men and women equally; ΔE 33.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.29:1WCAG large text: AA
Contrast with black, large text4.89:1WCAG large text: AAA

Named colours

Orchid · ΔE 12.7Medium orchid · ΔE 18.9Violet · ΔE 20Dark magenta · ΔE 22.5Medium violet red · ΔE 22.8Purple · ΔE 23.1
Nearest named CSS colourOrchid (#DA70D6)ΔE 12.7, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#51BB5F
Analogous#9451BB, #BB5178
Triadic#ADBB51, #51ADBB
Split complementary#78BB51, #51BB94
Tetradic#BB9451, #51BB5F, #5178BB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4E4F2
Lighter +30%#E6BFE1
Lighter +20%#D89AD0
Lighter +10%#C976BE
Darker −10%#9C3D8F
Darker −20%#772F6E
Darker −30%#53204C
Darker −40%#2E122A
More saturated +25%#D933C3
Less saturated −25%#9D6F97

Channel breakdown

R187
G81
B173
Red187 (73.3%)
Green81 (31.8%)
Blue173 (67.8%)
Hue307.92°
Saturation (HSL)43.8%
Lightness52.55%
Dominant channelRed
Hex per channelR BB · G 51 · B AD

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Every value on this page was computed from “bb51ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.