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Recognised as Colour

#AA3556

  • #AA3556
  • Red
  • Dark
  • Nearest: Indian red

#AA3556 is a red with RGB values 170, 53, 86 and HSL 343°, 52%, 44%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#AA3556#AA3556
HEX#AA3556
RGBrgb(170, 53, 86)
RGB (0–1)0.6667, 0.2078, 0.3373
RGB percentages66.7%, 20.8%, 33.7%
HSLhsl(343.1, 52.5%, 43.7%)
HSV / HSBhsv(343.1, 68.8%, 66.7%)
CMYK0%, 68.8%, 49.4%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,154,774
CSS custom property--colour: #AA3556;

Brightness & contrast

Relative luminance0.11764WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.26:1
Contrast with white6.26:1WCAG normal text: AA
Contrast with black3.35:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#55CAA9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#505157no red cones; affects about 1% of men; ΔE 50.8 from the original
Deuteranopia#6E6953no green cones; the most common form, about 1% of men; ΔE 52.4 from the original
Tritanopia#B92142no blue cones; rare, and affects men and women equally; ΔE 16.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.26:1WCAG large text: AAA
Contrast with black, large text3.35:1WCAG large text: AA

Named colours

Indian red · ΔE 19.9Pale violetred · ΔE 21.5Brown · ΔE 23.2Light coral · ΔE 28.9Firebrick · ΔE 30.6Medium violet red · ΔE 31.2
Nearest named CSS colourIndian red (#CD5C5C)ΔE 19.86, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#35AA89
Analogous#AA3591, #AA4F35
Triadic#56AA35, #3556AA
Split complementary#35AA4F, #3591AA
Tetradic#90AA35, #35AA89, #4F35AA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBC0CC
Lighter +30%#DF99AD
Lighter +20%#D3728D
Lighter +10%#C74B6E
Darker −10%#832942
Darker −20%#5C1D2F
Darker −30%#35111B
Darker −40%#0E0507
More saturated +25%#C6194A
Less saturated −25%#8E5162

Channel breakdown

R170
G53
B86
Red170 (66.7%)
Green53 (20.8%)
Blue86 (33.7%)
Hue343.08°
Saturation (HSL)52.47%
Lightness43.73%
Dominant channelRed
Hex per channelR AA · G 35 · B 56

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Every value on this page was computed from “aa3556” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.