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Recognised as Colour

#AD5D66

  • #AD5D66
  • Red
  • Dark
  • Nearest: Indian red

#AD5D66 is a red with RGB values 173, 93, 102 and HSL 353°, 33%, 52%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#AD5D66#AD5D66
HEX#AD5D66
RGBrgb(173, 93, 102)
RGB (0–1)0.6784, 0.3647, 0.4
RGB percentages67.8%, 36.5%, 40%
HSLhsl(353.3, 32.8%, 52.2%)
HSV / HSBhsv(353.3, 46.2%, 67.8%)
CMYK0%, 46.2%, 41%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,361,638
CSS custom property--colour: #AD5D66;

Brightness & contrast

Relative luminance0.17672WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.63:1
Contrast with white4.63:1WCAG normal text: AA
Contrast with black4.53:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#52A299

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D6B66no red cones; affects about 1% of men; ΔE 34.5 from the original
Deuteranopia#807B64no green cones; the most common form, about 1% of men; ΔE 35.9 from the original
Tritanopia#BA5460no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.63:1WCAG large text: AAA
Contrast with black, large text4.53:1WCAG large text: AAA

Named colours

Indian red · ΔE 17.5Pale violetred · ΔE 19Light coral · ΔE 21.9Rosy brown · ΔE 22.1Sienna · ΔE 26.9Dark salmon · ΔE 28.1
Nearest named CSS colourIndian red (#CD5C5C)ΔE 17.5, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5DADA4
Analogous#AD5D8E, #AD7C5D
Triadic#66AD5D, #5D66AD
Split complementary#5DAD7C, #5D8EAD
Tetradic#8EAD5D, #5DADA4, #7C5DAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2E4E6
Lighter +30%#E0C3C6
Lighter +20%#CFA1A6
Lighter +10%#BE7F86
Darker −10%#8F4850
Darker −20%#6D373D
Darker −30%#4B262A
Darker −40%#291517
More saturated +25%#CC3E4E
Less saturated −25%#8F7C7E

Channel breakdown

R173
G93
B102
Red173 (67.8%)
Green93 (36.5%)
Blue102 (40%)
Hue353.25°
Saturation (HSL)32.79%
Lightness52.16%
Dominant channelRed
Hex per channelR AD · G 5D · B 66

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Every value on this page was computed from “ad5d66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.