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Recognised as Colour

#A3687F

  • #A3687F
  • Red
  • Dark
  • Nearest: Rosy brown

#A3687F is a red with RGB values 163, 104, 127 and HSL 337°, 24%, 52%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#A3687F#A3687F
HEX#A3687F
RGBrgb(163, 104, 127)
RGB (0–1)0.6392, 0.4078, 0.498
RGB percentages63.9%, 40.8%, 49.8%
HSLhsl(336.6, 24.3%, 52.4%)
HSV / HSBhsv(336.6, 36.2%, 63.9%)
CMYK0%, 36.2%, 22.1%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,709,119
CSS custom property--colour: #A3687F;

Brightness & contrast

Relative luminance0.19219WCAG 2.x, 0 is black and 1 is white
Perceived brightness127 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.84:1
Contrast with white4.34:1WCAG normal text: Fail
Contrast with black4.84:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#5C9780

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F7380no red cones; affects about 1% of men; ΔE 26.2 from the original
Deuteranopia#7D7D7Eno green cones; the most common form, about 1% of men; ΔE 26.9 from the original
Tritanopia#AC6570no 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 text4.34:1WCAG large text: AA
Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 18.7Pale violetred · ΔE 21.1Gray · ΔE 27.3Dim grey · ΔE 27.9Plum · ΔE 30Slate grey · ΔE 30.2
Nearest named CSS colourRosy brown (#BC8F8F)ΔE 18.69, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#68A38C
Analogous#A3689C, #A36E68
Triadic#7FA368, #687FA3
Split complementary#68A36E, #689CA3
Tetradic#9CA368, #68A38C, #6E68A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0E7EA
Lighter +30%#DDC7D0
Lighter +20%#CAA7B5
Lighter +10%#B6889A
Darker −10%#865266
Darker −20%#673E4E
Darker −30%#472B36
Darker −40%#27181E
More saturated +25%#C14A78
Less saturated −25%#858585

Channel breakdown

R163
G104
B127
Red163 (63.9%)
Green104 (40.8%)
Blue127 (49.8%)
Hue336.61°
Saturation (HSL)24.28%
Lightness52.35%
Dominant channelRed
Hex per channelR A3 · G 68 · B 7F

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Every value on this page was computed from “a3687f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.