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Recognised as Colour

#511FDF

  • #511FDF
  • Violet
  • Dark
  • Nearest: Medium blue

#511FDF is a violet with RGB values 81, 31, 223 and HSL 256°, 76%, 50%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#511FDF#511FDF
HEX#511FDF
RGBrgb(81, 31, 223)
RGB (0–1)0.3176, 0.1216, 0.8745
RGB percentages31.8%, 12.2%, 87.5%
HSLhsl(255.6, 75.6%, 49.8%)
HSV / HSBhsv(255.6, 86.1%, 87.5%)
CMYK63.7%, 86.1%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,316,575
CSS custom property--colour: #511FDF;

Brightness & contrast

Relative luminance0.08057WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.04:1
Contrast with white8.04:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#AEE020

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056E4no red cones; affects about 1% of men; ΔE 33.9 from the original
Deuteranopia#0049DCno green cones; the most common form, about 1% of men; ΔE 27.7 from the original
Tritanopia#005F85no blue cones; rare, and affects men and women equally; ΔE 96.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.04:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.4Blue violet · ΔE 14.6Dark violet · ΔE 19.6Blue · ΔE 24.6Dark orchid · ΔE 28.1Dark blue · ΔE 31.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.36, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ADDF1F
Analogous#1F4DDF, #B11FDF
Triadic#DF511F, #1FDF51
Split complementary#DFB11F, #4DDF1F
Tetradic#DF1F4D, #ADDF1F, #1FDFB1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCD1F9
Lighter +30%#B9A5F2
Lighter +20%#9678EC
Lighter +10%#734BE6
Darker −10%#4119B2
Darker −20%#301385
Darker −30%#200C59
Darker −40%#10062C
More saturated +25%#4200FE
Less saturated −25%#603FBF

Channel breakdown

R81
G31
B223
Red81 (31.8%)
Green31 (12.2%)
Blue223 (87.5%)
Hue255.63°
Saturation (HSL)75.59%
Lightness49.8%
Dominant channelBlue
Hex per channelR 51 · G 1F · B DF

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Every value on this page was computed from “511fdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.