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Recognised as Colour

#AA4351

  • #AA4351
  • Red
  • Dark
  • Nearest: Indian red

#AA4351 is a red with RGB values 170, 67, 81 and HSL 352°, 43%, 46%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#AA4351#AA4351
HEX#AA4351
RGBrgb(170, 67, 81)
RGB (0–1)0.6667, 0.2627, 0.3176
RGB percentages66.7%, 26.3%, 31.8%
HSLhsl(351.8, 43.5%, 46.5%)
HSV / HSBhsv(351.8, 60.6%, 66.7%)
CMYK0%, 60.6%, 52.4%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,158,353
CSS custom property--colour: #AA4351;

Brightness & contrast

Relative luminance0.13154WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.78:1
Contrast with white5.78:1WCAG normal text: AA
Contrast with black3.63:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#55BCAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B5851no red cones; affects about 1% of men; ΔE 45 from the original
Deuteranopia#756D4Fno green cones; the most common form, about 1% of men; ΔE 45.7 from the original
Tritanopia#B93349no blue cones; rare, and affects men and women equally; ΔE 12.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.78:1WCAG large text: AAA
Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Indian red · ΔE 13.4Brown · ΔE 18.7Pale violetred · ΔE 22.2Light coral · ΔE 23.9Sienna · ΔE 26.1Firebrick · ΔE 27.2
Nearest named CSS colourIndian red (#CD5C5C)ΔE 13.42, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43AA9C
Analogous#AA4384, #AA6943
Triadic#51AA43, #4351AA
Split complementary#43AA69, #4384AA
Tetradic#84AA43, #43AA9C, #6943AA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBCED2
Lighter +30%#DDA9B0
Lighter +20%#CF848E
Lighter +10%#C0606D
Darker −10%#853540
Darker −20%#61262E
Darker −30%#3C181D
Darker −40%#18090B
More saturated +25%#C8253B
Less saturated −25%#8C6167

Channel breakdown

R170
G67
B81
Red170 (66.7%)
Green67 (26.3%)
Blue81 (31.8%)
Hue351.84°
Saturation (HSL)43.46%
Lightness46.47%
Dominant channelRed
Hex per channelR AA · G 43 · B 51

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Every value on this page was computed from “aa4351” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.