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Recognised as Colour

#81576A

  • #81576A
  • Red
  • Dark
  • Nearest: Dim grey

#81576A is a red with RGB values 129, 87, 106 and HSL 333°, 19%, 42%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#81576A#81576A
HEX#81576A
RGBrgb(129, 87, 106)
RGB (0–1)0.5059, 0.3412, 0.4157
RGB percentages50.6%, 34.1%, 41.6%
HSLhsl(332.9, 19.4%, 42.4%)
HSV / HSBhsv(332.9, 32.6%, 50.6%)
CMYK0%, 32.6%, 17.8%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,476,522
CSS custom property--colour: #81576A;

Brightness & contrast

Relative luminance0.12524WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.99:1
Contrast with white5.99:1WCAG normal text: AA
Contrast with black3.5:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#7EA895

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B5F6Bno red cones; affects about 1% of men; ΔE 19.6 from the original
Deuteranopia#656669no green cones; the most common form, about 1% of men; ΔE 20.3 from the original
Tritanopia#87565Eno blue cones; rare, and affects men and women equally; ΔE 7.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.99:1WCAG large text: AAA
Contrast with black, large text3.5:1WCAG large text: AA

Named colours

Dim grey · ΔE 20.9Gray · ΔE 23.8Rosy brown · ΔE 24.2Slate grey · ΔE 25.9Light slate grey · ΔE 27.6Pale violetred · ΔE 31.5
Nearest named CSS colourDim grey (#696969)ΔE 20.9, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#57816E
Analogous#81577F, #815957
Triadic#6A8157, #576A81
Split complementary#578159, #577F81
Tetradic#7F8157, #57816E, #595781

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBC9D1
Lighter +30%#C6ABB7
Lighter +20%#B28C9D
Lighter +10%#9D6E83
Darker −10%#634251
Darker −20%#442E38
Darker −30%#26191F
Darker −40%#070506
More saturated +25%#9C3C67
Less saturated −25%#6C6C6C

Channel breakdown

R129
G87
B106
Red129 (50.6%)
Green87 (34.1%)
Blue106 (41.6%)
Hue332.86°
Saturation (HSL)19.44%
Lightness42.35%
Dominant channelRed
Hex per channelR 81 · G 57 · B 6A

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Every value on this page was computed from “81576a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.