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Colour

#871BB4

  • #871BB4
  • Violet
  • Dark
  • Nearest: Dark orchid

#871BB4 is a violet with RGB values 135, 27, 180 and HSL 282°, 74%, 41%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#871BB4#871BB4
HEX#871BB4
RGBrgb(135, 27, 180)
RGB (0–1)0.5294, 0.1059, 0.7059
RGB percentages52.9%, 10.6%, 70.6%
HSLhsl(282.4, 73.9%, 40.6%)
HSV / HSBhsv(282.4, 85%, 70.6%)
CMYK25%, 85%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,854,452
CSS custom property--colour: #871BB4;

Brightness & contrast

Relative luminance0.0923WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#78E44B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051B8no red cones; affects about 1% of men; ΔE 43.4 from the original
Deuteranopia#0058B1no green cones; the most common form, about 1% of men; ΔE 51.1 from the original
Tritanopia#82446Bno blue cones; rare, and affects men and women equally; ΔE 56.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 7.5Dark violet · ΔE 17.8Blue violet · ΔE 19Dark magenta · ΔE 19.2Medium orchid · ΔE 20.6Indigo · ΔE 20.8
Nearest named CSS colourDark orchid (#9932CC)ΔE 7.48, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#48B41B
Analogous#3B1BB4, #B41B94
Triadic#B4871B, #1BB487
Split complementary#94B41B, #1BB43B
Tetradic#B43B1B, #48B41B, #1B94B4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDA9F2
Lighter +30%#CB7DEB
Lighter +20%#B950E5
Lighter +10%#A724DE
Darker −10%#661488
Darker −20%#440E5B
Darker −30%#23072F
Darker −40%#020003
More saturated +25%#9201CE
Less saturated −25%#7C359A

Channel breakdown

R135
G27
B180
Red135 (52.9%)
Green27 (10.6%)
Blue180 (70.6%)
Hue282.35°
Saturation (HSL)73.91%
Lightness40.59%
Dominant channelBlue
Hex per channelR 87 · G 1B · B B4

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Every value on this page was computed from “871bb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.