Nerdulator> put something in

Recognised as Colour

#64409A

  • #64409A
  • Violet
  • Dark
  • Nearest: Rebecca purple

#64409A is a violet with RGB values 100, 64, 154 and HSL 264°, 41%, 43%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#64409A#64409A
HEX#64409A
RGBrgb(100, 64, 154)
RGB (0–1)0.3922, 0.251, 0.6039
RGB percentages39.2%, 25.1%, 60.4%
HSLhsl(264, 41.3%, 42.7%)
HSV / HSBhsv(264, 58.4%, 60.4%)
CMYK35.1%, 58.4%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,570,138
CSS custom property--colour: #64409A;

Brightness & contrast

Relative luminance0.08709WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.66:1
Contrast with white7.66:1WCAG normal text: AAA
Contrast with black2.74:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#9BBF65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#14539Dno red cones; affects about 1% of men; ΔE 25.9 from the original
Deuteranopia#245398no green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#585267no blue cones; rare, and affects men and women equally; ΔE 43.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.66:1WCAG large text: AAA
Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 8.6Dark slateblue · ΔE 10.6Slate blue · ΔE 17.2Medium purple · ΔE 20.6Midnight blue · ΔE 20.8Indigo · ΔE 24.1
Nearest named CSS colourRebecca purple (#663399)ΔE 8.56, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#769A40
Analogous#40499A, #91409A
Triadic#9A6440, #409A64
Split complementary#9A9140, #499A40
Tetradic#9A4049, #769A40, #409A91

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFC1E5
Lighter +30%#B49DD6
Lighter +20%#9879C7
Lighter +10%#7D55B8
Darker −10%#4D3176
Darker −20%#352252
Darker −30%#1E132E
Darker −40%#06040A
More saturated +25%#5F25B5
Less saturated −25%#695B7F

Channel breakdown

R100
G64
B154
Red100 (39.2%)
Green64 (25.1%)
Blue154 (60.4%)
Hue264°
Saturation (HSL)41.28%
Lightness42.75%
Dominant channelBlue
Hex per channelR 64 · G 40 · B 9A

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 “64409a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.