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Recognised as Colour

#B558EF

  • #B558EF
  • Violet
  • Dark
  • Nearest: Dark orchid

#B558EF is a violet with RGB values 181, 88, 239 and HSL 277°, 83%, 64%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#B558EF#B558EF
HEX#B558EF
RGBrgb(181, 88, 239)
RGB (0–1)0.7098, 0.3451, 0.9373
RGB percentages71%, 34.5%, 93.7%
HSLhsl(277, 82.5%, 64.1%)
HSV / HSBhsv(277, 63.2%, 93.7%)
CMYK24.3%, 63.2%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,884,783
CSS custom property--colour: #B558EF;

Brightness & contrast

Relative luminance0.23035WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.61:1
Contrast with white3.75:1WCAG normal text: Fail
Contrast with black5.61:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#4AA710

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0080F4no red cones; affects about 1% of men; ΔE 48 from the original
Deuteranopia#4385ECno green cones; the most common form, about 1% of men; ΔE 49.2 from the original
Tritanopia#AD769Cno blue cones; rare, and affects men and women equally; ΔE 60.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.75:1WCAG large text: AA
Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 12.1Medium orchid · ΔE 13.9Blue violet · ΔE 20.4Medium slateblue · ΔE 21.8Dark violet · ΔE 23Medium purple · ΔE 27.6
Nearest named CSS colourDark orchid (#9932CC)ΔE 12.11, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#92EF58
Analogous#6958EF, #EF58DE
Triadic#EFB558, #58EFB5
Split complementary#DDEF58, #58EF6A
Tetradic#EF6A58, #92EF58, #58DEEF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F3E4FC
Lighter +20%#DEB5F8
Lighter +10%#CA87F3
Darker −10%#A029EB
Darker −20%#8614CD
Darker −30%#680F9F
Darker −40%#490B70
More saturated +25%#B948FF
Less saturated −25%#B06FD8

Channel breakdown

R181
G88
B239
Red181 (71%)
Green88 (34.5%)
Blue239 (93.7%)
Hue276.95°
Saturation (HSL)82.51%
Lightness64.12%
Dominant channelBlue
Hex per channelR B5 · G 58 · B EF

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Every value on this page was computed from “b558ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.