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Colour

#7800A1

  • #7800A1
  • Violet
  • Dark
  • Nearest: Dark orchid

#7800A1 is a violet with RGB values 120, 0, 161 and HSL 285°, 100%, 32%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#7800A1#7800A1
HEX#7800A1
RGBrgb(120, 0, 161)
RGB (0–1)0.4706, 0, 0.6314
RGB percentages47.1%, 0%, 63.1%
HSLhsl(284.7, 100%, 31.6%)
HSV / HSBhsv(284.7, 100%, 63.1%)
CMYK25.5%, 100%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,864,481
CSS custom property--colour: #7800A1;

Brightness & contrast

Relative luminance0.06566WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.08:1
Contrast with white9.08:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#87FF5E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0043A5no red cones; affects about 1% of men; ΔE 40.7 from the original
Deuteranopia#004B9Eno green cones; the most common form, about 1% of men; ΔE 49.4 from the original
Tritanopia#73375Dno blue cones; rare, and affects men and women equally; ΔE 54.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.08:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 13.6Indigo · ΔE 15.8Dark magenta · ΔE 16.7Purple · ΔE 19.4Dark violet · ΔE 21.7Rebecca purple · ΔE 22.2
Nearest named CSS colourDark orchid (#9932CC)ΔE 13.57, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#29A100
Analogous#2800A1, #A10079
Triadic#A17800, #00A178
Split complementary#7AA100, #00A127
Tetradic#A12700, #29A100, #0079A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DA6EFF
Lighter +30%#CD3BFF
Lighter +20%#C008FF
Lighter +10%#9E00D4
Darker −10%#52006E
Darker −20%#2C003B
Darker −30%#060008
Darker −40%#000000
More saturated +25%#7800A1
Less saturated −25%#6E148D

Channel breakdown

R120
G0
B161
Red120 (47.1%)
Green0 (0%)
Blue161 (63.1%)
Hue284.72°
Saturation (HSL)100%
Lightness31.57%
Dominant channelBlue
Hex per channelR 78 · G 00 · B A1

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Every value on this page was computed from “7800a1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.