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Recognised as Colour

#A36667

  • #A36667
  • Red
  • Dark
  • Nearest: Rosy brown

#A36667 is a red with RGB values 163, 102, 103 and HSL 359°, 25%, 52%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#A36667#A36667
HEX#A36667
RGBrgb(163, 102, 103)
RGB (0–1)0.6392, 0.4, 0.4039
RGB percentages63.9%, 40%, 40.4%
HSLhsl(359, 24.9%, 52%)
HSV / HSBhsv(359, 37.4%, 63.9%)
CMYK0%, 37.4%, 36.8%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,708,583
CSS custom property--colour: #A36667;

Brightness & contrast

Relative luminance0.18269WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.65:1
Contrast with white4.51:1WCAG normal text: AA
Contrast with black4.65:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#5C9998

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#726F67no red cones; affects about 1% of men; ΔE 25.7 from the original
Deuteranopia#817B66no green cones; the most common form, about 1% of men; ΔE 26.3 from the original
Tritanopia#AE5F67no blue cones; rare, and affects men and women equally; ΔE 8.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.51:1WCAG large text: AAA
Contrast with black, large text4.65:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 16.1Indian red · ΔE 23.9Pale violetred · ΔE 25.2Light coral · ΔE 26.3Gray · ΔE 26.8Sienna · ΔE 27
Nearest named CSS colourRosy brown (#BC8F8F)ΔE 16.09, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66A3A2
Analogous#A36685, #A38366
Triadic#67A366, #6667A3
Split complementary#66A383, #6685A3
Tetradic#86A366, #66A3A2, #8466A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0E5E6
Lighter +30%#DCC6C6
Lighter +20%#C9A6A6
Lighter +10%#B68687
Darker −10%#865051
Darker −20%#663D3E
Darker −30%#462A2B
Darker −40%#261717
More saturated +25%#C24749
Less saturated −25%#848484

Channel breakdown

R163
G102
B103
Red163 (63.9%)
Green102 (40%)
Blue103 (40.4%)
Hue359.02°
Saturation (HSL)24.9%
Lightness51.96%
Dominant channelRed
Hex per channelR A3 · G 66 · B 67

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Every value on this page was computed from “a36667” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.