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Recognised as Colour

#550CD1

  • #550CD1
  • Violet
  • Dark
  • Nearest: Medium blue

#550CD1 is a violet with RGB values 85, 12, 209 and HSL 262°, 89%, 43%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#550CD1#550CD1
HEX#550CD1
RGBrgb(85, 12, 209)
RGB (0–1)0.3333, 0.0471, 0.8196
RGB percentages33.3%, 4.7%, 82%
HSLhsl(262.2, 89.1%, 43.3%)
HSV / HSBhsv(262.2, 94.3%, 82%)
CMYK59.3%, 94.3%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,573,841
CSS custom property--colour: #550CD1;

Brightness & contrast

Relative luminance0.06798WCAG 2.x, 0 is black and 1 is white
Perceived brightness85 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.9:1
Contrast with white8.9:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#AAF32E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004ED6no red cones; affects about 1% of men; ΔE 35.3 from the original
Deuteranopia#0044CEno green cones; the most common form, about 1% of men; ΔE 31.4 from the original
Tritanopia#00557Bno blue cones; rare, and affects men and women equally; ΔE 93.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.9:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.6Blue violet · ΔE 13.7Dark violet · ΔE 17.1Dark orchid · ΔE 26.2Blue · ΔE 27Dark blue · ΔE 28.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.63, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#88D10C
Analogous#0C25D1, #B80CD1
Triadic#D1550C, #0CD155
Split complementary#D1B80C, #25D10C
Tetradic#D10C25, #88D10C, #0CD1B8

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBAFFA
Lighter +30%#AB7EF8
Lighter +20%#8C4EF5
Lighter +10%#6D1EF2
Darker −10%#4109A1
Darker −20%#2E0671
Darker −30%#1A0440
Darker −40%#070110
More saturated +25%#5200DD
Less saturated −25%#5C28B5

Channel breakdown

R85
G12
B209
Red85 (33.3%)
Green12 (4.7%)
Blue209 (82%)
Hue262.23°
Saturation (HSL)89.14%
Lightness43.33%
Dominant channelBlue
Hex per channelR 55 · G 0C · B D1

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Every value on this page was computed from “550cd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.