Recognised as Colour

#511DB2

#511DB2
Violet
Dark
Nearest: Dark blue

#511DB2 is a violet with RGB values 81, 29, 178 and HSL 261°, 72%, 41%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#511DB2#511DB2

HEX#511DB2

RGBrgb(81, 29, 178)

RGB (0–1)0.3176, 0.1137, 0.698

RGB percentages31.8%, 11.4%, 69.8%

HSLhsl(260.9, 72%, 40.6%)

HSV / HSBhsv(260.9, 83.7%, 69.8%)

CMYK54.5%, 83.7%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,316,018

CSS custom property--colour: #511DB2;

Brightness & contrast

Relative luminance0.05842WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.68:1

Contrast with white9.68:1WCAG normal text: AAA

Contrast with black2.17:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#AEE24D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0047B6no red cones; affects about 1% of men; ΔE 29.7 from the original

Deuteranopia#0041AFno green cones; the most common form, about 1% of men; ΔE 28.4 from the original

Tritanopia#2A4B6Ano blue cones; rare, and affects men and women equally; ΔE 74.5 from the original

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

Contrast with white, large text9.68:1WCAG large text: AAA

Contrast with black, large text2.17:1WCAG large text: Fail

Named colours

Dark blue · ΔE 15.3 Indigo · ΔE 18.1 Navy · ΔE 18.5 Dark orchid · ΔE 19.1 Blue violet · ΔE 20.1 Dark violet · ΔE 23.1

Nearest named CSS colourDark blue (#00008B)ΔE 15.27, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7EB21D

Analogous#1D34B2, #9B1DB2

Triadic#B2511D, #1DB251

Split complementary#B29B1D, #34B21D

Tetradic#B21D34, #7EB21D, #1DB29B

Tints, shades & saturation

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

Lighter +40%#C3AAF1

Lighter +30%#A47EEA

Lighter +20%#8552E3

Lighter +10%#6626DC

Darker −10%#3D1686

Darker −20%#290F5A

Darker −30%#15082E

Darker −40%#010003

More saturated +25%#4903CC

Less saturated −25%#593798

Channel breakdown

R81

G29

B178

Red81 (31.8%)

Green29 (11.4%)

Blue178 (69.8%)

Hue260.94°

Saturation (HSL)71.98%

Lightness40.59%

Dominant channelBlue

Hex per channelR 51 · G 1D · B B2

Keep nerding

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

#511DB2

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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