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Recognised as Colour

#7F21AD

  • #7F21AD
  • Violet
  • Dark
  • Nearest: Dark orchid

#7F21AD is a violet with RGB values 127, 33, 173 and HSL 280°, 68%, 40%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#7F21AD#7F21AD
HEX#7F21AD
RGBrgb(127, 33, 173)
RGB (0–1)0.498, 0.1294, 0.6784
RGB percentages49.8%, 12.9%, 67.8%
HSLhsl(280.3, 68%, 40.4%)
HSV / HSBhsv(280.3, 80.9%, 67.8%)
CMYK26.6%, 80.9%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,331,693
CSS custom property--colour: #7F21AD;

Brightness & contrast

Relative luminance0.08617WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.71:1
Contrast with white7.71:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#80DE52

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004FB1no red cones; affects about 1% of men; ΔE 40.5 from the original
Deuteranopia#0054AAno green cones; the most common form, about 1% of men; ΔE 46.8 from the original
Tritanopia#794568no blue cones; rare, and affects men and women equally; ΔE 55 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.71:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 10.8Dark magenta · ΔE 16.9Indigo · ΔE 17Rebecca purple · ΔE 19.1Purple · ΔE 19.6Medium orchid · ΔE 20
Nearest named CSS colourDark orchid (#9932CC)ΔE 10.8, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4FAD21
Analogous#3921AD, #AD2195
Triadic#AD7F21, #21AD7F
Split complementary#95AD21, #21AD39
Tetradic#AD3921, #4FAD21, #2195AD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9ABEF
Lighter +30%#C580E7
Lighter +20%#B255DF
Lighter +10%#9E2BD6
Darker −10%#601982
Darker −20%#401157
Darker −30%#21082D
Darker −40%#010002
More saturated +25%#8807C7
Less saturated −25%#763B93

Channel breakdown

R127
G33
B173
Red127 (49.8%)
Green33 (12.9%)
Blue173 (67.8%)
Hue280.29°
Saturation (HSL)67.96%
Lightness40.39%
Dominant channelBlue
Hex per channelR 7F · G 21 · B AD

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Every value on this page was computed from “7f21ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.