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Recognised as Colour

#64283D

  • #64283D
  • Red
  • Dark
  • Nearest: Dim grey

#64283D is a red with RGB values 100, 40, 61 and HSL 339°, 43%, 27%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#64283D#64283D
HEX#64283D
RGBrgb(100, 40, 61)
RGB (0–1)0.3922, 0.1569, 0.2392
RGB percentages39.2%, 15.7%, 23.9%
HSLhsl(339, 42.9%, 27.5%)
HSV / HSBhsv(339, 60%, 39.2%)
CMYK0%, 60%, 39%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,563,901
CSS custom property--colour: #64283D;

Brightness & contrast

Relative luminance0.04564WCAG 2.x, 0 is black and 1 is white
Perceived brightness66 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.98:1
Contrast with white10.98:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#9BD7C2

Colour vision & accessibility

Protanopia#32353Eno red cones; affects about 1% of men; ΔE 29.3 from the original
Deuteranopia#42413Cno green cones; the most common form, about 1% of men; ΔE 30.3 from the original
Tritanopia#6C2330no blue cones; rare, and affects men and women equally; ΔE 10 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.98:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Nearest named CSS colourDim grey (#696969)ΔE 35.03, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#28644F
Analogous#64285B, #643128
Triadic#3D6428, #283D64
Split complementary#286431, #285B64
Tetradic#5B6428, #28644F, #312864

Tints, shades & saturation

Lighter +40%#D088A1
Lighter +30%#C16485
Lighter +20%#AD4569
Lighter +10%#883753
Darker −10%#401927
Darker −20%#1B0B11
Darker −30%#000000
Darker −40%#000000
More saturated +25%#761638
Less saturated −25%#533A42

Channel breakdown

R100
G40
B61
Red100 (39.2%)
Green40 (15.7%)
Blue61 (23.9%)
Hue339°
Saturation (HSL)42.86%
Lightness27.45%
Dominant channelRed
Hex per channelR 64 · G 28 · B 3D

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Every value on this page was computed from “64283d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.