Recognised as Colour

#81558F

#81558F
Violet
Dark
Nearest: Dark slateblue

#81558F is a violet with RGB values 129, 85, 143 and HSL 286°, 25%, 45%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#81558F#81558F

HEX#81558F

RGBrgb(129, 85, 143)

RGB (0–1)0.5059, 0.3333, 0.5608

RGB percentages50.6%, 33.3%, 56.1%

HSLhsl(285.5, 25.4%, 44.7%)

HSV / HSBhsv(285.5, 40.6%, 56.1%)

CMYK9.8%, 40.6%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,476,047

CSS custom property--colour: #81558F;

Brightness & contrast

Relative luminance0.13147WCAG 2.x, 0 is black and 1 is white

Perceived brightness107.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.79:1

Contrast with white5.79:1WCAG normal text: AA

Contrast with black3.63:1WCAG normal text: Fail

Greyscale equivalent#636363

Inverted#7EAA70

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C6391no red cones; affects about 1% of men; ΔE 24.5 from the original

Deuteranopia#57678Dno green cones; the most common form, about 1% of men; ΔE 25 from the original

Tritanopia#815C6Bno blue cones; rare, and affects men and women equally; ΔE 25.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.79:1WCAG large text: AAA

Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 21.2 Rebecca purple · ΔE 28.2 Medium purple · ΔE 29 Plum · ΔE 30.7 Slate blue · ΔE 33.7 Orchid · ΔE 34.3

Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.25, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#638F55

Analogous#64558F, #8F5580

Triadic#8F8155, #558F81

Split complementary#808F55, #558F64

Tetradic#8F6455, #638F55, #55808F

Tints, shades & saturation

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

Lighter +40%#DDCEE2

Lighter +30%#C7AECF

Lighter +20%#B18EBC

Lighter +10%#9B6EA9

Darker −10%#64426F

Darker −20%#472F4F

Darker −30%#2A1C2F

Darker −40%#0E090F

More saturated +25%#9039AB

Less saturated −25%#727172

Channel breakdown

R129

G85

B143

Red129 (50.6%)

Green85 (33.3%)

Blue143 (56.1%)

Hue285.52°

Saturation (HSL)25.44%

Lightness44.71%

Dominant channelBlue

Hex per channelR 81 · G 55 · B 8F

Keep nerding

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

#81558F

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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