Nerdulator> put something in

Recognised as Colour

#81478F

  • #81478F
  • Violet
  • Dark
  • Nearest: Dark slateblue

#81478F is a violet with RGB values 129, 71, 143 and HSL 288°, 34%, 42%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#81478F#81478F
HEX#81478F
RGBrgb(129, 71, 143)
RGB (0–1)0.5059, 0.2784, 0.5608
RGB percentages50.6%, 27.8%, 56.1%
HSLhsl(288.3, 33.6%, 42%)
HSV / HSBhsv(288.3, 50.3%, 56.1%)
CMYK9.8%, 50.3%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,472,463
CSS custom property--colour: #81478F;

Brightness & contrast

Relative luminance0.11157WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.5:1
Contrast with white6.5:1WCAG normal text: AA
Contrast with black3.23:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#7EB870

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B5A91no red cones; affects about 1% of men; ΔE 31 from the original
Deuteranopia#4C608Dno green cones; the most common form, about 1% of men; ΔE 31.8 from the original
Tritanopia#825164no blue cones; rare, and affects men and women equally; ΔE 30.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.5:1WCAG large text: AAA
Contrast with black, large text3.23:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.7Rebecca purple · ΔE 19.6Purple · ΔE 25.1Medium purple · ΔE 25.3Dark magenta · ΔE 28.1Slate blue · ΔE 28.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.69, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#558F47
Analogous#5D478F, #8F4779
Triadic#8F8147, #478F81
Split complementary#798F47, #478F5D
Tetradic#8F5D47, #558F47, #47798F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAC2E0
Lighter +30%#C69FD0
Lighter +20%#B27DBF
Lighter +10%#9E5BAE
Darker −10%#62366D
Darker −20%#44254B
Darker −30%#251429
Darker −40%#060307
More saturated +25%#912CAA
Less saturated −25%#716274

Channel breakdown

R129
G71
B143
Red129 (50.6%)
Green71 (27.8%)
Blue143 (56.1%)
Hue288.33°
Saturation (HSL)33.64%
Lightness41.96%
Dominant channelBlue
Hex per channelR 81 · G 47 · B 8F

Keep nerding

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

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “81478f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.