Nerdulator> put something in

Recognised as Colour

#511F64

  • #511F64
  • Violet
  • Dark
  • Nearest: Dark slateblue

#511F64 is a violet with RGB values 81, 31, 100 and HSL 283°, 53%, 26%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#511F64#511F64
HEX#511F64
RGBrgb(81, 31, 100)
RGB (0–1)0.3176, 0.1216, 0.3922
RGB percentages31.8%, 12.2%, 39.2%
HSLhsl(283.5, 52.7%, 25.7%)
HSV / HSBhsv(283.5, 69%, 39.2%)
CMYK19%, 69%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,316,452
CSS custom property--colour: #511F64;

Brightness & contrast

Relative luminance0.03649WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.14:1
Contrast with white12.14:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#AEE09B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#033366no red cones; affects about 1% of men; ΔE 28.4 from the original
Deuteranopia#1E3762no green cones; the most common form, about 1% of men; ΔE 29.3 from the original
Tritanopia#502C3Eno blue cones; rare, and affects men and women equally; ΔE 30.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.14:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.9Midnight blue · ΔE 20.3Rebecca purple · ΔE 20.9Purple · ΔE 25.5Indigo · ΔE 28Dark magenta · ΔE 30.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.85, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#32641F
Analogous#2F1F64, #641F54
Triadic#64511F, #1F6451
Split complementary#55641F, #1F642E
Tetradic#642E1F, #32641F, #1F5464

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BC79D6
Lighter +30%#A952CA
Lighter +20%#9037B2
Lighter +10%#712B8B
Darker −10%#31133D
Darker −20%#120716
Darker −30%#000000
Darker −40%#000000
More saturated +25%#580F74
Less saturated −25%#4A2F54

Channel breakdown

R81
G31
B100
Red81 (31.8%)
Green31 (12.2%)
Blue100 (39.2%)
Hue283.48°
Saturation (HSL)52.67%
Lightness25.69%
Dominant channelBlue
Hex per channelR 51 · G 1F · B 64

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 “511f64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.