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Recognised as Colour

#640F53

  • #640F53
  • Magenta
  • Dark
  • Nearest: Purple

#640F53 is a magenta with RGB values 100, 15, 83 and HSL 312°, 74%, 23%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Purple.

Colour values

#640F53#640F53
HEX#640F53
RGBrgb(100, 15, 83)
RGB (0–1)0.3922, 0.0588, 0.3255
RGB percentages39.2%, 5.9%, 32.5%
HSLhsl(312, 73.9%, 22.5%)
HSV / HSBhsv(312, 85%, 39.2%)
CMYK0%, 85%, 17%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,557,523
CSS custom property--colour: #640F53;

Brightness & contrast

Relative luminance0.03676WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.1:1
Contrast with white12.1:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#9BF0AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#132E55no red cones; affects about 1% of men; ΔE 39 from the original
Deuteranopia#313A51no green cones; the most common form, about 1% of men; ΔE 40.6 from the original
Tritanopia#6A1431no blue cones; rare, and affects men and women equally; ΔE 24.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.1:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Purple · ΔE 24.6Dark magenta · ΔE 29.4Dark slateblue · ΔE 29.9Rebecca purple · ΔE 29.9Midnight blue · ΔE 33.3Indigo · ΔE 35.4
Nearest named CSS colourPurple (#800080)ΔE 24.56, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0F6420
Analogous#4B0F64, #640F28
Triadic#53640F, #0F5364
Split complementary#29640F, #0F644B
Tetradic#644A0F, #0F6420, #0F2864

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E659CA
Lighter +30%#DF2DBC
Lighter +20%#BD1C9D
Lighter +10%#901678
Darker −10%#38082E
Darker −20%#0B0209
Darker −30%#000000
Darker −40%#000000
More saturated +25%#72015C
Less saturated −25%#561D4A

Channel breakdown

R100
G15
B83
Red100 (39.2%)
Green15 (5.9%)
Blue83 (32.5%)
Hue312°
Saturation (HSL)73.91%
Lightness22.55%
Dominant channelRed
Hex per channelR 64 · G 0F · B 53

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Every value on this page was computed from “640f53” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.