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Recognised as Colour

#B51BB0

  • #B51BB0
  • Magenta
  • Dark
  • Nearest: Dark magenta

#B51BB0 is a magenta with RGB values 181, 27, 176 and HSL 302°, 74%, 41%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dark magenta.

Colour values

#B51BB0#B51BB0
HEX#B51BB0
RGBrgb(181, 27, 176)
RGB (0–1)0.7098, 0.1059, 0.6902
RGB percentages71%, 10.6%, 69%
HSLhsl(301.9, 74%, 40.8%)
HSV / HSBhsv(301.9, 85.1%, 71%)
CMYK0%, 85.1%, 2.8%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,869,104
CSS custom property--colour: #B51BB0;

Brightness & contrast

Relative luminance0.13742WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.6:1
Contrast with white5.6:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#4AE44F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BB4no red cones; affects about 1% of men; ΔE 60.2 from the original
Deuteranopia#506EADno green cones; the most common form, about 1% of men; ΔE 64.3 from the original
Tritanopia#BC3769no blue cones; rare, and affects men and women equally; ΔE 47.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.6:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Dark magenta · ΔE 15.1Medium orchid · ΔE 16.7Dark orchid · ΔE 18.6Purple · ΔE 20.1Orchid · ΔE 26.5Medium violet red · ΔE 27.6
Nearest named CSS colourDark magenta (#8B008B)ΔE 15.1, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1BB520
Analogous#6D1BB5, #B51B63
Triadic#B0B51B, #1BB0B5
Split complementary#63B51B, #1BB56D
Tetradic#B56D1B, #1BB520, #1B63B5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2AAF0
Lighter +30%#EC7DE8
Lighter +20%#E551E0
Lighter +10%#DE25D8
Darker −10%#891485
Darker −20%#5C0E5A
Darker −30%#30072F
Darker −40%#030103
More saturated +25%#CF01C8
Less saturated −25%#9B3598

Channel breakdown

R181
G27
B176
Red181 (71%)
Green27 (10.6%)
Blue176 (69%)
Hue301.95°
Saturation (HSL)74.04%
Lightness40.78%
Dominant channelRed
Hex per channelR B5 · G 1B · B B0

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Every value on this page was computed from “b51bb0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.