Nerdulator> put something in

Recognised as Colour

#640F65

  • #640F65
  • Magenta
  • Dark
  • Nearest: Purple

#640F65 is a magenta with RGB values 100, 15, 101 and HSL 299°, 74%, 23%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Purple.

Colour values

#640F65#640F65
HEX#640F65
RGBrgb(100, 15, 101)
RGB (0–1)0.3922, 0.0588, 0.3961
RGB percentages39.2%, 5.9%, 39.6%
HSLhsl(299.3, 74.1%, 22.7%)
HSV / HSBhsv(299.3, 85.1%, 39.6%)
CMYK1%, 85.1%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,557,541
CSS custom property--colour: #640F65;

Brightness & contrast

Relative luminance0.03991WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.68:1
Contrast with white11.68:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#9BF09A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003167no red cones; affects about 1% of men; ΔE 38.1 from the original
Deuteranopia#283C63no green cones; the most common form, about 1% of men; ΔE 41.3 from the original
Tritanopia#671F3Bno blue cones; rare, and affects men and women equally; ΔE 31.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.68:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Purple · ΔE 15.9Rebecca purple · ΔE 20.4Dark magenta · ΔE 20.9Indigo · ΔE 24.8Dark slateblue · ΔE 24.9Midnight blue · ΔE 26.1
Nearest named CSS colourPurple (#800080)ΔE 15.87, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#10650F
Analogous#390F65, #650F3B
Triadic#65640F, #0F6564
Split complementary#3B650F, #0F6539
Tetradic#65390F, #10650F, #0F3B65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E55AE6
Lighter +30%#DE2DE0
Lighter +20%#BC1CBE
Lighter +10%#901691
Darker −10%#380839
Darker −20%#0C020C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#720173
Less saturated −25%#561E57

Channel breakdown

R100
G15
B101
Red100 (39.2%)
Green15 (5.9%)
Blue101 (39.6%)
Hue299.3°
Saturation (HSL)74.14%
Lightness22.75%
Dominant channelBlue
Hex per channelR 64 · G 0F · B 65

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 “640f65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.