Recognised as Colour

#511BBD

#511BBD
Violet
Dark
Nearest: Blue violet

#511BBD is a violet with RGB values 81, 27, 189 and HSL 260°, 75%, 42%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Blue violet.

Colour values

#511BBD#511BBD

HEX#511BBD

RGBrgb(81, 27, 189)

RGB (0–1)0.3176, 0.1059, 0.7412

RGB percentages31.8%, 10.6%, 74.1%

HSLhsl(260, 75%, 42.4%)

HSV / HSBhsv(260, 85.7%, 74.1%)

CMYK57.1%, 85.7%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,315,517

CSS custom property--colour: #511BBD;

Brightness & contrast

Relative luminance0.06207WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.37:1

Contrast with white9.37:1WCAG normal text: AAA

Contrast with black2.24:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#AEE442

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004AC1no red cones; affects about 1% of men; ΔE 31.3 from the original

Deuteranopia#0042BAno green cones; the most common form, about 1% of men; ΔE 28.4 from the original

Tritanopia#1C4F70no blue cones; rare, and affects men and women equally; ΔE 81.4 from the original

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

Contrast with white, large text9.37:1WCAG large text: AAA

Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Blue violet · ΔE 16.1 Dark blue · ΔE 18.4 Dark violet · ΔE 19.7 Dark orchid · ΔE 20 Medium blue · ΔE 20 Navy · ΔE 22.6

Nearest named CSS colourBlue violet (#8A2BE2)ΔE 16.12, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#87BD1B

Analogous#1B36BD, #A21BBD

Triadic#BD511B, #1BBD51

Split complementary#BDA21B, #36BD1B

Tetradic#BD1B36, #87BD1B, #1BBDA2

Tints, shades & saturation

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

Lighter +40%#C7B0F4

Lighter +30%#A784ED

Lighter +20%#8757E7

Lighter +10%#672AE1

Darker −10%#3E1590

Darker −20%#2B0E64

Darker −30%#180837

Darker −40%#04020A

More saturated +25%#4800D8

Less saturated −25%#5A36A2

Channel breakdown

R81

G27

B189

Red81 (31.8%)

Green27 (10.6%)

Blue189 (74.1%)

Hue260°

Saturation (HSL)75%

Lightness42.35%

Dominant channelBlue

Hex per channelR 51 · G 1B · B BD

Keep nerding

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

#511BBD

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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