Nerdulator> put something in

Recognised as Colour

#64218A

  • #64218A
  • Violet
  • Dark
  • Nearest: Rebecca purple

#64218A is a violet with RGB values 100, 33, 138 and HSL 278°, 61%, 34%. 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

#64218A#64218A
HEX#64218A
RGBrgb(100, 33, 138)
RGB (0–1)0.3922, 0.1294, 0.5412
RGB percentages39.2%, 12.9%, 54.1%
HSLhsl(278.3, 61.4%, 33.5%)
HSV / HSBhsv(278.3, 76.1%, 54.1%)
CMYK27.5%, 76.1%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,562,186
CSS custom property--colour: #64218A;

Brightness & contrast

Relative luminance0.05632WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.88:1
Contrast with white9.88:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#9BDE75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00408Dno red cones; affects about 1% of men; ΔE 32.7 from the original
Deuteranopia#064488no green cones; the most common form, about 1% of men; ΔE 37.3 from the original
Tritanopia#5F3A54no blue cones; rare, and affects men and women equally; ΔE 45 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.88:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 6.6Indigo · ΔE 12.2Purple · ΔE 14.5Dark magenta · ΔE 17Midnight blue · ΔE 20.6Dark slateblue · ΔE 21.7
Nearest named CSS colourRebecca purple (#663399)ΔE 6.64, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#478A21
Analogous#2F218A, #8A217C
Triadic#8A6421, #218A64
Split complementary#7B8A21, #218A2F
Tetradic#8A2F21, #478A21, #217C8A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C792E5
Lighter +30%#B269DB
Lighter +20%#9D40D1
Lighter +10%#822BB3
Darker −10%#461761
Darker −20%#280D38
Darker −30%#0B030F
Darker −40%#000000
More saturated +25%#6A0C9F
Less saturated −25%#5E3675

Channel breakdown

R100
G33
B138
Red100 (39.2%)
Green33 (12.9%)
Blue138 (54.1%)
Hue278.29°
Saturation (HSL)61.4%
Lightness33.53%
Dominant channelBlue
Hex per channelR 64 · G 21 · 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 “64218a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.