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Recognised as Colour

#82509B

  • #82509B
  • Violet
  • Dark
  • Nearest: Dark slateblue

#82509B is a violet with RGB values 130, 80, 155 and HSL 280°, 32%, 46%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#82509B#82509B
HEX#82509B
RGBrgb(130, 80, 155)
RGB (0–1)0.5098, 0.3137, 0.6078
RGB percentages51%, 31.4%, 60.8%
HSLhsl(280, 31.9%, 46.1%)
HSV / HSBhsv(280, 48.4%, 60.8%)
CMYK16.1%, 48.4%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,540,315
CSS custom property--colour: #82509B;

Brightness & contrast

Relative luminance0.1285WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.88:1
Contrast with white5.88:1WCAG normal text: AA
Contrast with black3.57:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#7DAF64

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#40629Eno red cones; affects about 1% of men; ΔE 28.3 from the original
Deuteranopia#4E6699no green cones; the most common form, about 1% of men; ΔE 29.1 from the original
Tritanopia#805B6Eno blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.88:1WCAG large text: AAA
Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.3Rebecca purple · ΔE 19.1Medium purple · ΔE 21.4Slate blue · ΔE 25.2Purple · ΔE 27.6Orchid · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.3, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#699B50
Analogous#5D509B, #9B508E
Triadic#9B8250, #509B82
Split complementary#8E9B50, #509B5C
Tetradic#9B5D50, #699B50, #508F9B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFD0E7
Lighter +30%#C8AFD5
Lighter +20%#B28DC4
Lighter +10%#9B6BB3
Darker −10%#663F79
Darker −20%#4A2D58
Darker −30%#2D1C36
Darker −40%#110B14
More saturated +25%#8C33B8
Less saturated −25%#786D7E

Channel breakdown

R130
G80
B155
Red130 (51%)
Green80 (31.4%)
Blue155 (60.8%)
Hue280°
Saturation (HSL)31.91%
Lightness46.08%
Dominant channelBlue
Hex per channelR 82 · G 50 · B 9B

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Every value on this page was computed from “82509b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.