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Recognised as Colour

#B558EA

  • #B558EA
  • Violet
  • Dark
  • Nearest: Medium orchid

#B558EA is a violet with RGB values 181, 88, 234 and HSL 278°, 78%, 63%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#B558EA#B558EA
HEX#B558EA
RGBrgb(181, 88, 234)
RGB (0–1)0.7098, 0.3451, 0.9176
RGB percentages71%, 34.5%, 91.8%
HSLhsl(278.2, 77.7%, 63.1%)
HSV / HSBhsv(278.2, 62.4%, 91.8%)
CMYK22.6%, 62.4%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,884,778
CSS custom property--colour: #B558EA;

Brightness & contrast

Relative luminance0.22744WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.55:1
Contrast with white3.78:1WCAG normal text: Fail
Contrast with black5.55:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#4AA715

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E7FEFno red cones; affects about 1% of men; ΔE 47.9 from the original
Deuteranopia#4985E7no green cones; the most common form, about 1% of men; ΔE 49.1 from the original
Tritanopia#AE7499no blue cones; rare, and affects men and women equally; ΔE 58 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.78:1WCAG large text: AA
Contrast with black, large text5.55:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 11.4Dark orchid · ΔE 12.2Medium slateblue · ΔE 21.4Blue violet · ΔE 22.3Dark violet · ΔE 24.5Medium purple · ΔE 25.8
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 11.43, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8DEA58
Analogous#6C58EA, #EA58D6
Triadic#EAB558, #58EAB5
Split complementary#D6EA58, #58EA6C
Tetradic#EA6C58, #8DEA58, #58D6EA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F1E0FB
Lighter +20%#DDB3F5
Lighter +10%#C985F0
Darker −10%#A12BE4
Darker −20%#8519C3
Darker −30%#661396
Darker −40%#480D69
More saturated +25%#BB43FF
Less saturated −25%#AF70D3

Channel breakdown

R181
G88
B234
Red181 (71%)
Green88 (34.5%)
Blue234 (91.8%)
Hue278.22°
Saturation (HSL)77.66%
Lightness63.14%
Dominant channelBlue
Hex per channelR B5 · G 58 · B EA

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Every value on this page was computed from “b558ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.