Nerdulator> put something in

Colour

#81568A

  • #81568A
  • Violet
  • Dark
  • Nearest: Dark slateblue

#81568A is a violet with RGB values 129, 86, 138 and HSL 290°, 23%, 44%. 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

#81568A#81568A
HEX#81568A
RGBrgb(129, 86, 138)
RGB (0–1)0.5059, 0.3373, 0.5412
RGB percentages50.6%, 33.7%, 54.1%
HSLhsl(289.6, 23.2%, 43.9%)
HSV / HSBhsv(289.6, 37.7%, 54.1%)
CMYK6.5%, 37.7%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,476,298
CSS custom property--colour: #81568A;

Brightness & contrast

Relative luminance0.13158WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.78:1
Contrast with white5.78:1WCAG normal text: AA
Contrast with black3.63:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#7EA975

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#50638Cno red cones; affects about 1% of men; ΔE 23.3 from the original
Deuteranopia#5A6788no green cones; the most common form, about 1% of men; ΔE 23.8 from the original
Tritanopia#825C69no blue cones; rare, and affects men and women equally; ΔE 22.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.78:1WCAG large text: AAA
Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 23.6Plum · ΔE 30.8Rebecca purple · ΔE 31.4Medium purple · ΔE 32.1Slate grey · ΔE 33Pale violetred · ΔE 33.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.64, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F8A56
Analogous#67568A, #8A5679
Triadic#8A8156, #568A81
Split complementary#798A56, #568A67
Tetradic#8A6756, #5F8A56, #56798A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCCCE0
Lighter +30%#C7ADCC
Lighter +20%#B18EB8
Lighter +10%#9B6EA5
Darker −10%#64426B
Darker −20%#462F4B
Darker −30%#291B2C
Darker −40%#0C080C
More saturated +25%#933AA6
Less saturated −25%#707070

Channel breakdown

R129
G86
B138
Red129 (50.6%)
Green86 (33.7%)
Blue138 (54.1%)
Hue289.62°
Saturation (HSL)23.21%
Lightness43.92%
Dominant channelBlue
Hex per channelR 81 · G 56 · B 8A

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 “81568a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.