Recognised as Colour

#511FD9

#511FD9
Violet
Dark
Nearest: Medium blue

#511FD9 is a violet with RGB values 81, 31, 217 and HSL 256°, 75%, 49%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#511FD9#511FD9

HEX#511FD9

RGBrgb(81, 31, 217)

RGB (0–1)0.3176, 0.1216, 0.851

RGB percentages31.8%, 12.2%, 85.1%

HSLhsl(256.1, 75%, 48.6%)

HSV / HSBhsv(256.1, 85.7%, 85.1%)

CMYK62.7%, 85.7%, 0%, 14.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,316,569

CSS custom property--colour: #511FD9;

Brightness & contrast

Relative luminance0.07739WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.24:1

Contrast with white8.24:1WCAG normal text: AAA

Contrast with black2.55:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#AEE026

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0054DEno red cones; affects about 1% of men; ΔE 33.2 from the original

Deuteranopia#0048D6no green cones; the most common form, about 1% of men; ΔE 27.7 from the original

Tritanopia#005D81no blue cones; rare, and affects men and women equally; ΔE 94.4 from the original

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

Contrast with white, large text8.24:1WCAG large text: AAA

Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Medium blue · ΔE 11.3 Blue violet · ΔE 13.7 Dark violet · ΔE 18.8 Dark orchid · ΔE 26.1 Blue · ΔE 27.4 Dark blue · ΔE 28.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 11.29, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A7D91F

Analogous#1F4AD9, #AE1FD9

Triadic#D9511F, #1FD951

Split complementary#D9AE1F, #4AD91F

Tetradic#D91F4A, #A7D91F, #1FD9AE

Tints, shades & saturation

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

Lighter +40%#D8CCF8

Lighter +30%#B6A0F1

Lighter +20%#9373EB

Lighter +10%#7146E5

Darker −10%#4019AC

Darker −20%#301280

Darker −30%#1F0C53

Darker −40%#0E0526

More saturated +25%#4300F8

Less saturated −25%#5F3EBA

Channel breakdown

R81

G31

B217

Red81 (31.8%)

Green31 (12.2%)

Blue217 (85.1%)

Hue256.13°

Saturation (HSL)75%

Lightness48.63%

Dominant channelBlue

Hex per channelR 51 · G 1F · B D9

Keep nerding

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

#511FD9

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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