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Recognised as Colour

#B55ECD

  • #B55ECD
  • Violet
  • Dark
  • Nearest: Medium orchid

#B55ECD is a violet with RGB values 181, 94, 205 and HSL 287°, 53%, 59%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#B55ECD#B55ECD
HEX#B55ECD
RGBrgb(181, 94, 205)
RGB (0–1)0.7098, 0.3686, 0.8039
RGB percentages71%, 36.9%, 80.4%
HSLhsl(287, 52.6%, 58.6%)
HSV / HSBhsv(287, 54.1%, 80.4%)
CMYK11.7%, 54.1%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,886,285
CSS custom property--colour: #B55ECD;

Brightness & contrast

Relative luminance0.22237WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.45:1
Contrast with white3.86:1WCAG normal text: Fail
Contrast with black5.45:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#4AA132

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#477CD1no red cones; affects about 1% of men; ΔE 43.1 from the original
Deuteranopia#6485CAno green cones; the most common form, about 1% of men; ΔE 44.7 from the original
Tritanopia#B56F8Dno blue cones; rare, and affects men and women equally; ΔE 43.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.86:1WCAG large text: AA
Contrast with black, large text5.45:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 8.1Orchid · ΔE 12.5Medium purple · ΔE 17Violet · ΔE 17.1Slate blue · ΔE 23.7Rebecca purple · ΔE 23.7
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 8.1, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#76CD5E
Analogous#7E5ECD, #CD5EAD
Triadic#CDB55E, #5ECDB5
Split complementary#AECD5E, #5ECD7E
Tetradic#CD7E5E, #76CD5E, #5EADCD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFAFD
Lighter +30%#EBD3F1
Lighter +20%#D9ACE5
Lighter +10%#C785D9
Darker −10%#A13BBD
Darker −20%#802F96
Darker −30%#5F236F
Darker −40%#3E1748
More saturated +25%#C444E7
Less saturated −25%#A678B3

Channel breakdown

R181
G94
B205
Red181 (71%)
Green94 (36.9%)
Blue205 (80.4%)
Hue287.03°
Saturation (HSL)52.61%
Lightness58.63%
Dominant channelBlue
Hex per channelR B5 · G 5E · B CD

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Every value on this page was computed from “b55ecd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.