Nerdulator> put something in

Recognised as Colour

#511DA5

  • #511DA5
  • Violet
  • Dark
  • Nearest: Indigo

#511DA5 is a violet with RGB values 81, 29, 165 and HSL 263°, 70%, 38%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#511DA5#511DA5
HEX#511DA5
RGBrgb(81, 29, 165)
RGB (0–1)0.3176, 0.1137, 0.6471
RGB percentages31.8%, 11.4%, 64.7%
HSLhsl(262.9, 70.1%, 38%)
HSV / HSBhsv(262.9, 82.4%, 64.7%)
CMYK50.9%, 82.4%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,316,005
CSS custom property--colour: #511DA5;

Brightness & contrast

Relative luminance0.05345WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.15:1
Contrast with white10.15:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#AEE25A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0043A9no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#003FA3no green cones; the most common form, about 1% of men; ΔE 28.3 from the original
Tritanopia#354662no blue cones; rare, and affects men and women equally; ΔE 67.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.15:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Indigo · ΔE 12.1Dark blue · ΔE 14.3Navy · ΔE 15.6Rebecca purple · ΔE 19.3Dark orchid · ΔE 20.4Slate blue · ΔE 24.7
Nearest named CSS colourIndigo (#4B0082)ΔE 12.15, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#71A51D
Analogous#1D2DA5, #951DA5
Triadic#A5511D, #1DA551
Split complementary#A5951D, #2DA51D
Tetradic#A51D2D, #71A51D, #1DA595

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEA0EE
Lighter +30%#A074E7
Lighter +20%#8249DF
Lighter +10%#6625D0
Darker −10%#3C157A
Darker −20%#260E4E
Darker −30%#110623
Darker −40%#000000
More saturated +25%#4B05BD
Less saturated −25%#57358D

Channel breakdown

R81
G29
B165
Red81 (31.8%)
Green29 (11.4%)
Blue165 (64.7%)
Hue262.94°
Saturation (HSL)70.1%
Lightness38.04%
Dominant channelBlue
Hex per channelR 51 · G 1D · B A5

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 “511da5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.