Colour

#AA2147

#AA2147
Red
Dark
Nearest: Brown

#AA2147 is a red with RGB values 170, 33, 71 and HSL 343°, 67%, 40%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#AA2147#AA2147

HEX#AA2147

RGBrgb(170, 33, 71)

RGB (0–1)0.6667, 0.1294, 0.2784

RGB percentages66.7%, 12.9%, 27.8%

HSLhsl(343.4, 67.5%, 39.8%)

HSV / HSBhsv(343.4, 80.6%, 66.7%)

CMYK0%, 80.6%, 58.2%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,149,639

CSS custom property--colour: #AA2147;

Brightness & contrast

Relative luminance0.10089WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.96:1

Contrast with white6.96:1WCAG normal text: AA

Contrast with black3.02:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#55DEB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#484848no red cones; affects about 1% of men; ΔE 57.7 from the original

Deuteranopia#6B6343no green cones; the most common form, about 1% of men; ΔE 58.3 from the original

Tritanopia#BA0032no blue cones; rare, and affects men and women equally; ΔE 17.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.96:1WCAG large text: AAA

Contrast with black, large text3.02:1WCAG large text: AA

Named colours

Brown · ΔE 18.4 Indian red · ΔE 20.9 Firebrick · ΔE 24.5 Crimson · ΔE 27 Pale violetred · ΔE 27.9 Maroon · ΔE 28.9

Nearest named CSS colourBrown (#A52A2A)ΔE 18.37, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#21AA84

Analogous#AA218C, #AA4021

Triadic#47AA21, #2147AA

Split complementary#21AA40, #218CAA

Tetradic#8BAA21, #21AA84, #4021AA

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#EEA9BC

Lighter +30%#E67E9B

Lighter +20%#DE537A

Lighter +10%#D52959

Darker −10%#7F1935

Darker −20%#551023

Darker −30%#2A0811

Darker −40%#000000

More saturated +25%#C3083C

Less saturated −25%#913A52

Channel breakdown

R170

G33

B71

Red170 (66.7%)

Green33 (12.9%)

Blue71 (27.8%)

Hue343.36°

Saturation (HSL)67.49%

Lightness39.8%

Dominant channelRed

Hex per channelR AA · G 21 · B 47

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#AA2147

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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