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Recognised as Colour

#A3758A

  • #A3758A
  • Red
  • Dark
  • Nearest: Rosy brown

#A3758A is a red with RGB values 163, 117, 138 and HSL 333°, 20%, 55%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#A3758A#A3758A
HEX#A3758A
RGBrgb(163, 117, 138)
RGB (0–1)0.6392, 0.4588, 0.5412
RGB percentages63.9%, 45.9%, 54.1%
HSLhsl(332.6, 20%, 54.9%)
HSV / HSBhsv(332.6, 28.2%, 63.9%)
CMYK0%, 28.2%, 15.3%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,712,458
CSS custom property--colour: #A3758A;

Brightness & contrast

Relative luminance0.22344WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.47:1
Contrast with white3.84:1WCAG normal text: Fail
Contrast with black5.47:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#5C8A75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#797E8Bno red cones; affects about 1% of men; ΔE 20.8 from the original
Deuteranopia#848589no green cones; the most common form, about 1% of men; ΔE 21.1 from the original
Tritanopia#AA747Cno blue cones; rare, and affects men and women equally; ΔE 8.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.84:1WCAG large text: AA
Contrast with black, large text5.47:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 14.9Gray · ΔE 21.8Dim grey · ΔE 24Slate grey · ΔE 24.4Light slate grey · ΔE 24.7Pale violetred · ΔE 25.3
Nearest named CSS colourRosy brown (#BC8F8F)ΔE 14.9, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#75A38E
Analogous#A375A1, #A37775
Triadic#8AA375, #758AA3
Split complementary#75A377, #75A1A3
Tetradic#A1A375, #75A38E, #7775A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5EFF2
Lighter +30%#E0D1D8
Lighter +20%#CCB2BE
Lighter +10%#B794A4
Darker −10%#895C71
Darker −20%#6B4757
Darker −30%#4C333E
Darker −40%#2E1E25
More saturated +25%#C05887
Less saturated −25%#8C8C8C

Channel breakdown

R163
G117
B138
Red163 (63.9%)
Green117 (45.9%)
Blue138 (54.1%)
Hue332.61°
Saturation (HSL)20%
Lightness54.9%
Dominant channelRed
Hex per channelR A3 · G 75 · B 8A

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Every value on this page was computed from “a3758a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.