Nerdulator> put something in

Recognised as Colour

#643F68

  • #643F68
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#643F68 is a magenta with RGB values 100, 63, 104 and HSL 294°, 25%, 33%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#643F68#643F68
HEX#643F68
RGBrgb(100, 63, 104)
RGB (0–1)0.3922, 0.2471, 0.4078
RGB percentages39.2%, 24.7%, 40.8%
HSLhsl(294.1, 24.6%, 32.7%)
HSV / HSBhsv(294.1, 39.4%, 40.8%)
CMYK3.8%, 39.4%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,569,832
CSS custom property--colour: #643F68;

Brightness & contrast

Relative luminance0.07264WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.56:1
Contrast with white8.56:1WCAG normal text: AAA
Contrast with black2.45:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#9BC097

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B496Ano red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#444E67no green cones; the most common form, about 1% of men; ΔE 21.1 from the original
Tritanopia#65434Eno blue cones; rare, and affects men and women equally; ΔE 18.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.56:1WCAG large text: AAA
Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.8Dim grey · ΔE 31.8Slate grey · ΔE 33.6Rebecca purple · ΔE 35.3Light slate grey · ΔE 35.6Gray · ΔE 36.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.77, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43683F
Analogous#4F3F68, #683F57
Triadic#68643F, #3F6864
Split complementary#58683F, #3F684F
Tetradic#684F3F, #43683F, #3F5868

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7A8CB
Lighter +30%#B389B7
Lighter +20%#9E69A4
Lighter +10%#835288
Darker −10%#452C48
Darker −20%#271928
Darker −30%#080509
Darker −40%#000000
More saturated +25%#752A7D
Less saturated −25%#535353

Channel breakdown

R100
G63
B104
Red100 (39.2%)
Green63 (24.7%)
Blue104 (40.8%)
Hue294.15°
Saturation (HSL)24.55%
Lightness32.75%
Dominant channelBlue
Hex per channelR 64 · G 3F · B 68

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 “643f68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.