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Recognised as Colour

#AD4BDB

  • #AD4BDB
  • Violet
  • Dark
  • Nearest: Dark orchid

#AD4BDB is a violet with RGB values 173, 75, 219 and HSL 281°, 67%, 58%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#AD4BDB#AD4BDB
HEX#AD4BDB
RGBrgb(173, 75, 219)
RGB (0–1)0.6784, 0.2941, 0.8588
RGB percentages67.8%, 29.4%, 85.9%
HSLhsl(280.8, 66.7%, 57.6%)
HSV / HSBhsv(280.8, 65.8%, 85.9%)
CMYK21%, 65.8%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,357,147
CSS custom property--colour: #AD4BDB;

Brightness & contrast

Relative luminance0.19031WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.81:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.81:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#52B424

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0074DFno red cones; affects about 1% of men; ΔE 48.6 from the original
Deuteranopia#417BD8no green cones; the most common form, about 1% of men; ΔE 50.5 from the original
Tritanopia#A8688Dno blue cones; rare, and affects men and women equally; ΔE 56.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.81:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 8.6Medium orchid · ΔE 10.2Blue violet · ΔE 21.4Dark violet · ΔE 22.6Medium slateblue · ΔE 22.8Dark magenta · ΔE 25.5
Nearest named CSS colourDark orchid (#9932CC)ΔE 8.62, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#79DB4B
Analogous#654BDB, #DB4BC1
Triadic#DBAD4B, #4BDBAD
Split complementary#C1DB4B, #4BDB65
Tetradic#DB654B, #79DB4B, #4BC1DB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAF5FD
Lighter +30%#E7CBF5
Lighter +20%#D4A0EC
Lighter +10%#C075E3
Darker −10%#9729CA
Darker −20%#7720A0
Darker −30%#571875
Darker −40%#380F4B
More saturated +25%#B730F6
Less saturated −25%#A366C0

Channel breakdown

R173
G75
B219
Red173 (67.8%)
Green75 (29.4%)
Blue219 (85.9%)
Hue280.83°
Saturation (HSL)66.67%
Lightness57.65%
Dominant channelBlue
Hex per channelR AD · G 4B · B DB

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Every value on this page was computed from “ad4bdb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.