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Recognised as Colour

#866F79

  • #866F79
  • Red
  • Dark
  • Nearest: Gray

#866F79 is a red with RGB values 134, 111, 121 and HSL 334°, 9%, 48%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Gray.

Colour values

#866F79#866F79
HEX#866F79
RGBrgb(134, 111, 121)
RGB (0–1)0.5255, 0.4353, 0.4745
RGB percentages52.5%, 43.5%, 47.5%
HSLhsl(333.9, 9.4%, 48%)
HSV / HSBhsv(333.9, 17.2%, 52.5%)
CMYK0%, 17.2%, 9.7%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,810,361
CSS custom property--colour: #866F79;

Brightness & contrast

Relative luminance0.17818WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.6:1
Contrast with white4.6:1WCAG normal text: AA
Contrast with black4.56:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#799086

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#717379no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#767678no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#8A6F72no blue cones; rare, and affects men and women equally; ΔE 4.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.6:1WCAG large text: AAA
Contrast with black, large text4.56:1WCAG large text: AAA

Named colours

Gray · ΔE 11.8Dim grey · ΔE 12.1Slate grey · ΔE 15.9Light slate grey · ΔE 17.2Rosy brown · ΔE 17.9Dark grey · ΔE 22.8
Nearest named CSS colourGray (#808080)ΔE 11.85, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6F867C
Analogous#866F85, #86716F
Triadic#79866F, #6F7986
Split complementary#6F8671, #6F8486
Tetradic#85866F, #6F867C, #716F86

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3DEE0
Lighter +30%#CCC2C6
Lighter +20%#B5A6AD
Lighter +10%#9E8A93
Darker −10%#6A5860
Darker −20%#4E4147
Darker −30%#322A2D
Darker −40%#161314
More saturated +25%#A55075
Less saturated −25%#7B7B7B

Channel breakdown

R134
G111
B121
Red134 (52.5%)
Green111 (43.5%)
Blue121 (47.5%)
Hue333.91°
Saturation (HSL)9.39%
Lightness48.04%
Dominant channelRed
Hex per channelR 86 · G 6F · B 79

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Every value on this page was computed from “866f79” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.