Recognised as Colour

#811DB7

#811DB7
Violet
Dark
Nearest: Dark orchid

#811DB7 is a violet with RGB values 129, 29, 183 and HSL 279°, 73%, 42%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#811DB7#811DB7

HEX#811DB7

RGBrgb(129, 29, 183)

RGB (0–1)0.5059, 0.1137, 0.7176

RGB percentages50.6%, 11.4%, 71.8%

HSLhsl(279, 72.6%, 41.6%)

HSV / HSBhsv(279, 84.2%, 71.8%)

CMYK29.5%, 84.2%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,461,751

CSS custom property--colour: #811DB7;

Brightness & contrast

Relative luminance0.08965WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.52:1

Contrast with white7.52:1WCAG normal text: AAA

Contrast with black2.79:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#7EE248

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0051BBno red cones; affects about 1% of men; ΔE 41.3 from the original

Deuteranopia#0056B4no green cones; the most common form, about 1% of men; ΔE 47.7 from the original

Tritanopia#79486Dno blue cones; rare, and affects men and women equally; ΔE 60.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.52:1WCAG large text: AAA

Contrast with black, large text2.79:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 7.6 Dark violet · ΔE 16.8 Blue violet · ΔE 17.2 Indigo · ΔE 20.6 Dark magenta · ΔE 21.6 Medium orchid · ΔE 22.3

Nearest named CSS colourDark orchid (#9932CC)ΔE 7.63, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#53B71D

Analogous#341DB7, #B71DA0

Triadic#B7811D, #1DB781

Split complementary#A0B71D, #1DB734

Tetradic#B7341D, #53B71D, #1DA0B7

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DAAEF2

Lighter +30%#C682EB

Lighter +20%#B256E4

Lighter +10%#9E2ADD

Darker −10%#62168B

Darker −20%#430F5F

Darker −30%#240833

Darker −40%#050107

More saturated +25%#8903D2

Less saturated −25%#79389D

Channel breakdown

R129

G29

B183

Red129 (50.6%)

Green29 (11.4%)

Blue183 (71.8%)

Hue278.96°

Saturation (HSL)72.64%

Lightness41.57%

Dominant channelBlue

Hex per channelR 81 · G 1D · B B7

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#811DB7

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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