Nerdulator> put something in

Recognised as Colour

#512C91

  • #512C91
  • Violet
  • Dark
  • Nearest: Rebecca purple

#512C91 is a violet with RGB values 81, 44, 145 and HSL 262°, 53%, 37%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#512C91#512C91
HEX#512C91
RGBrgb(81, 44, 145)
RGB (0–1)0.3176, 0.1725, 0.5686
RGB percentages31.8%, 17.3%, 56.9%
HSLhsl(262, 53.4%, 37.1%)
HSV / HSBhsv(262, 69.7%, 56.9%)
CMYK44.1%, 69.7%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,319,825
CSS custom property--colour: #512C91;

Brightness & contrast

Relative luminance0.05595WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.91:1
Contrast with white9.91:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#AED36E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004494no red cones; affects about 1% of men; ΔE 25.1 from the original
Deuteranopia#00418Fno green cones; the most common form, about 1% of men; ΔE 25.2 from the original
Tritanopia#40455Bno blue cones; rare, and affects men and women equally; ΔE 51.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.91:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 6Indigo · ΔE 14.5Midnight blue · ΔE 15Dark slateblue · ΔE 16.1Slate blue · ΔE 19.2Navy · ΔE 22.7
Nearest named CSS colourRebecca purple (#663399)ΔE 5.95, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C912C
Analogous#2C3A91, #832C91
Triadic#91512C, #2C9151
Split complementary#91842C, #39912C
Tetradic#912C3A, #6C912C, #2C9183

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCA5E4
Lighter +30%#9F7ED8
Lighter +20%#8257CC
Lighter +10%#6738B8
Darker −10%#3B206A
Darker −20%#251443
Darker −30%#0F081C
Darker −40%#000000
More saturated +25%#4B14A9
Less saturated −25%#574479

Channel breakdown

R81
G44
B145
Red81 (31.8%)
Green44 (17.3%)
Blue145 (56.9%)
Hue261.98°
Saturation (HSL)53.44%
Lightness37.06%
Dominant channelBlue
Hex per channelR 51 · G 2C · B 91

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 “512c91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.