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Recognised as Colour

#812BB7

  • #812BB7
  • Violet
  • Dark
  • Nearest: Dark orchid

#812BB7 is a violet with RGB values 129, 43, 183 and HSL 277°, 62%, 44%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#812BB7#812BB7
HEX#812BB7
RGBrgb(129, 43, 183)
RGB (0–1)0.5059, 0.1686, 0.7176
RGB percentages50.6%, 16.9%, 71.8%
HSLhsl(276.9, 61.9%, 44.3%)
HSV / HSBhsv(276.9, 76.5%, 71.8%)
CMYK29.5%, 76.5%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,465,335
CSS custom property--colour: #812BB7;

Brightness & contrast

Relative luminance0.09814WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.09:1
Contrast with white7.09:1WCAG normal text: AAA
Contrast with black2.96:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#7ED448

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055BBno red cones; affects about 1% of men; ΔE 39.4 from the original
Deuteranopia#0059B4no green cones; the most common form, about 1% of men; ΔE 45 from the original
Tritanopia#784D70no 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 text7.09:1WCAG large text: AAA
Contrast with black, large text2.96:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 8.9Indigo · ΔE 19Medium orchid · ΔE 19Rebecca purple · ΔE 19.7Dark magenta · ΔE 19.7Blue violet · ΔE 20.9
Nearest named CSS colourDark orchid (#9932CC)ΔE 8.94, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#61B72B
Analogous#3B2BB7, #B72BA7
Triadic#B7812B, #2BB781
Split complementary#A7B72B, #2BB73B
Tetradic#B73B2B, #61B72B, #2BA7B7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDBEF0
Lighter +30%#C795E6
Lighter +20%#B16CDC
Lighter +10%#9B42D3
Darker −10%#64218E
Darker −20%#471864
Darker −30%#2A0E3B
Darker −40%#0D0412
More saturated +25%#870FD3
Less saturated −25%#7B479B

Channel breakdown

R129
G43
B183
Red129 (50.6%)
Green43 (16.9%)
Blue183 (71.8%)
Hue276.86°
Saturation (HSL)61.95%
Lightness44.31%
Dominant channelBlue
Hex per channelR 81 · G 2B · B B7

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Every value on this page was computed from “812bb7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.