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Recognised as Colour

#A65840

  • #A65840
  • Red
  • Dark
  • Nearest: Sienna

#A65840 is a red with RGB values 166, 88, 64 and HSL 14°, 44%, 45%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A65840#A65840
HEX#A65840
RGBrgb(166, 88, 64)
RGB (0–1)0.651, 0.3451, 0.251
RGB percentages65.1%, 34.5%, 25.1%
HSLhsl(14.1, 44.3%, 45.1%)
HSV / HSBhsv(14.1, 61.4%, 65.1%)
CMYK0%, 47%, 61.4%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,901,568
CSS custom property--colour: #A65840;

Brightness & contrast

Relative luminance0.15457WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.13:1
Contrast with white5.13:1WCAG normal text: AA
Contrast with black4.09:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#59A7BF

Colour vision & accessibility

Protanopia#6C633Eno red cones; affects about 1% of men; ΔE 32.9 from the original
Deuteranopia#7F743Fno green cones; the most common form, about 1% of men; ΔE 33.4 from the original
Tritanopia#B54A52no blue cones; rare, and affects men and women equally; ΔE 17.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.13:1WCAG large text: AAA
Contrast with black, large text4.09:1WCAG large text: AA

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 7.94, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#408EA6
Analogous#A6405B, #A68B40
Triadic#40A658, #5840A6
Split complementary#40A68B, #405BA6
Tetradic#5BA640, #408EA6, #8B40A6

Tints, shades & saturation

Lighter +40%#EAD0C8
Lighter +30%#DCB1A3
Lighter +20%#CD917F
Lighter +10%#BF725A
Darker −10%#814432
Darker −20%#5C3124
Darker −30%#381D15
Darker −40%#130A07
More saturated +25%#C34923
Less saturated −25%#89675D

Channel breakdown

R166
G88
B64
Red166 (65.1%)
Green88 (34.5%)
Blue64 (25.1%)
Hue14.12°
Saturation (HSL)44.35%
Lightness45.1%
Dominant channelRed
Hex per channelR A6 · G 58 · B 40

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Every value on this page was computed from “a65840” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.