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Recognised as Colour

#B550E9

  • #B550E9
  • Violet
  • Dark
  • Nearest: Dark orchid

#B550E9 is a violet with RGB values 181, 80, 233 and HSL 280°, 78%, 61%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#B550E9#B550E9
HEX#B550E9
RGBrgb(181, 80, 233)
RGB (0–1)0.7098, 0.3137, 0.9137
RGB percentages71%, 31.4%, 91.4%
HSLhsl(279.6, 77.7%, 61.4%)
HSV / HSBhsv(279.6, 65.7%, 91.4%)
CMYK22.3%, 65.7%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,882,729
CSS custom property--colour: #B550E9;

Brightness & contrast

Relative luminance0.21444WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.29:1
Contrast with white3.97:1WCAG normal text: Fail
Contrast with black5.29:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#4AAF16

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007BEEno red cones; affects about 1% of men; ΔE 49.6 from the original
Deuteranopia#4182E6no green cones; the most common form, about 1% of men; ΔE 52.2 from the original
Tritanopia#AF6F96no blue cones; rare, and affects men and women equally; ΔE 59.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.97:1WCAG large text: AA
Contrast with black, large text5.29:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 10.1Medium orchid · ΔE 14Blue violet · ΔE 19.1Dark violet · ΔE 20.8Medium slateblue · ΔE 24.1Orchid · ΔE 29
Nearest named CSS colourDark orchid (#9932CC)ΔE 10.07, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#84E950
Analogous#6950E9, #E950D0
Triadic#E9B550, #50E9B5
Split complementary#D0E950, #50E969
Tetradic#E96950, #84E950, #50D0E9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EED8FA
Lighter +20%#DBABF4
Lighter +10%#C87DEF
Darker −10%#A223E3
Darker −20%#8418BB
Darker −30%#64128E
Darker −40%#440C61
More saturated +25%#BC3AFF
Less saturated −25%#AD69D0

Channel breakdown

R181
G80
B233
Red181 (71%)
Green80 (31.4%)
Blue233 (91.4%)
Hue279.61°
Saturation (HSL)77.66%
Lightness61.37%
Dominant channelBlue
Hex per channelR B5 · G 50 · B E9

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Every value on this page was computed from “b550e9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.