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Recognised as Colour

#64474E

  • #64474E
  • Red
  • Dark
  • Nearest: Dim grey

#64474E is a red with RGB values 100, 71, 78 and HSL 346°, 17%, 34%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#64474E#64474E
HEX#64474E
RGBrgb(100, 71, 78)
RGB (0–1)0.3922, 0.2784, 0.3059
RGB percentages39.2%, 27.8%, 30.6%
HSLhsl(345.5, 17%, 33.5%)
HSV / HSBhsv(345.5, 29%, 39.2%)
CMYK0%, 29%, 22%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,571,854
CSS custom property--colour: #64474E;

Brightness & contrast

Relative luminance0.07766WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.23:1
Contrast with white8.23:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#9BB8B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B4C4Eno red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#52514Dno green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#694549no blue cones; rare, and affects men and women equally; ΔE 4.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.23:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dim grey · ΔE 17.4Gray · ΔE 24.3Dark slate grey · ΔE 25.8Slate grey · ΔE 27.4Light slate grey · ΔE 29.9Rosy brown · ΔE 30.9
Nearest named CSS colourDim grey (#696969)ΔE 17.45, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#47645D
Analogous#64475D, #644F47
Triadic#4E6447, #474E64
Split complementary#47644F, #475D64
Tetradic#5D6447, #47645D, #4F4764

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7B0B6
Lighter +30%#B2929A
Lighter +20%#9D747E
Lighter +10%#825C65
Darker −10%#463237
Darker −20%#281D1F
Darker −30%#0B0708
Darker −40%#000000
More saturated +25%#793243
Less saturated −25%#565656

Channel breakdown

R100
G71
B78
Red100 (39.2%)
Green71 (27.8%)
Blue78 (30.6%)
Hue345.52°
Saturation (HSL)16.96%
Lightness33.53%
Dominant channelRed
Hex per channelR 64 · G 47 · B 4E

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Every value on this page was computed from “64474e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.