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Recognised as Colour

#AA144C

  • #AA144C
  • Red
  • Dark
  • Nearest: Brown

#AA144C is a red with RGB values 170, 20, 76 and HSL 338°, 79%, 37%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AA144C#AA144C
HEX#AA144C
RGBrgb(170, 20, 76)
RGB (0–1)0.6667, 0.0784, 0.298
RGB percentages66.7%, 7.8%, 29.8%
HSLhsl(337.6, 78.9%, 37.3%)
HSV / HSBhsv(337.6, 88.2%, 66.7%)
CMYK0%, 88.2%, 55.3%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,146,316
CSS custom property--colour: #AA144C;

Brightness & contrast

Relative luminance0.09568WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.21:1
Contrast with white7.21:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#55EBB3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#42454Dno red cones; affects about 1% of men; ΔE 60.6 from the original
Deuteranopia#686148no green cones; the most common form, about 1% of men; ΔE 61.2 from the original
Tritanopia#BA002Fno blue cones; rare, and affects men and women equally; ΔE 22.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.21:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Brown · ΔE 23.8Indian red · ΔE 25.5Medium violet red · ΔE 27.7Pale violetred · ΔE 28.4Firebrick · ΔE 29.2Crimson · ΔE 29.3
Nearest named CSS colourBrown (#A52A2A)ΔE 23.82, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#14AA72
Analogous#AA1497, #AA2714
Triadic#4CAA14, #144CAA
Split complementary#14AA27, #1497AA
Tetradic#97AA14, #14AA72, #2714AA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F397B9
Lighter +30%#ED6A9B
Lighter +20%#E83C7C
Lighter +10%#D81960
Darker −10%#7C0F38
Darker −20%#4F0923
Darker −30%#21040F
Darker −40%#000000
More saturated +25%#BE0047
Less saturated −25%#922C52

Channel breakdown

R170
G20
B76
Red170 (66.7%)
Green20 (7.8%)
Blue76 (29.8%)
Hue337.6°
Saturation (HSL)78.95%
Lightness37.25%
Dominant channelRed
Hex per channelR AA · G 14 · B 4C

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Every value on this page was computed from “aa144c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.