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Recognised as Colour

#AA573E

  • #AA573E
  • Red
  • Dark
  • Nearest: Sienna

#AA573E is a red with RGB values 170, 87, 62 and HSL 14°, 47%, 45%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#AA573E#AA573E
HEX#AA573E
RGBrgb(170, 87, 62)
RGB (0–1)0.6667, 0.3412, 0.2431
RGB percentages66.7%, 34.1%, 24.3%
HSLhsl(13.9, 46.6%, 45.5%)
HSV / HSBhsv(13.9, 63.5%, 66.7%)
CMYK0%, 48.8%, 63.5%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,163,454
CSS custom property--colour: #AA573E;

Brightness & contrast

Relative luminance0.1571WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.07:1
Contrast with white5.07:1WCAG normal text: AA
Contrast with black4.14:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#55A8C1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D633Cno red cones; affects about 1% of men; ΔE 34.8 from the original
Deuteranopia#81753Dno green cones; the most common form, about 1% of men; ΔE 35.3 from the original
Tritanopia#BA4851no blue cones; rare, and affects men and women equally; ΔE 18.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.07:1WCAG large text: AAA
Contrast with black, large text4.14:1WCAG large text: AA

Named colours

Sienna · ΔE 6.9Saddle brown · ΔE 15.4Indian red · ΔE 16.6Brown · ΔE 20.1Dark salmon · ΔE 23.6Salmon · ΔE 24.7
Nearest named CSS colourSienna (#A0522D)ΔE 6.93, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E91AA
Analogous#AA3E5B, #AA8D3E
Triadic#3EAA57, #573EAA
Split complementary#3EAA8D, #3E5BAA
Tetradic#5BAA3E, #3E91AA, #8D3EAA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBD1C9
Lighter +30%#DEB1A3
Lighter +20%#D0917E
Lighter +10%#C27159
Darker −10%#854430
Darker −20%#5F3123
Darker −30%#3A1E15
Darker −40%#150B07
More saturated +25%#C74721
Less saturated −25%#8D675B

Channel breakdown

R170
G87
B62
Red170 (66.7%)
Green87 (34.1%)
Blue62 (24.3%)
Hue13.89°
Saturation (HSL)46.55%
Lightness45.49%
Dominant channelRed
Hex per channelR AA · G 57 · B 3E

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Every value on this page was computed from “aa573e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.