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Recognised as Colour

#81565B

  • #81565B
  • Red
  • Dark
  • Nearest: Dim grey

#81565B is a red with RGB values 129, 86, 91 and HSL 353°, 20%, 42%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#81565B#81565B
HEX#81565B
RGBrgb(129, 86, 91)
RGB (0–1)0.5059, 0.3373, 0.3569
RGB percentages50.6%, 33.7%, 35.7%
HSLhsl(353, 20%, 42.2%)
HSV / HSBhsv(353, 33.3%, 50.6%)
CMYK0%, 33.3%, 29.5%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,476,251
CSS custom property--colour: #81565B;

Brightness & contrast

Relative luminance0.12078WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.15:1
Contrast with white6.15:1WCAG normal text: AA
Contrast with black3.42:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#7EA9A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D5D5Bno red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#67655Ano green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#895258no blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.15:1WCAG large text: AAA
Contrast with black, large text3.42:1WCAG large text: AA

Named colours

Dim grey · ΔE 19.3Rosy brown · ΔE 22.4Gray · ΔE 22.7Slate grey · ΔE 28Light slate grey · ΔE 29.8Dark slate grey · ΔE 33
Nearest named CSS colourDim grey (#696969)ΔE 19.34, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#56817C
Analogous#815671, #816756
Triadic#5B8156, #565B81
Split complementary#568166, #567181
Tetradic#718156, #56817C, #665681

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBC8CB
Lighter +30%#C6AAAD
Lighter +20%#B28B90
Lighter +10%#9D6D72
Darker −10%#624245
Darker −20%#442D30
Darker −30%#25191A
Darker −40%#070405
More saturated +25%#9C3B46
Less saturated −25%#6C6C6C

Channel breakdown

R129
G86
B91
Red129 (50.6%)
Green86 (33.7%)
Blue91 (35.7%)
Hue353.02°
Saturation (HSL)20%
Lightness42.16%
Dominant channelRed
Hex per channelR 81 · G 56 · B 5B

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Every value on this page was computed from “81565b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.