Colour

#AA0047

#AA0047
Red
Dark
Nearest: Brown

#AA0047 is a red with RGB values 170, 0, 71 and HSL 335°, 100%, 33%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AA0047#AA0047

HEX#AA0047

RGBrgb(170, 0, 71)

RGB (0–1)0.6667, 0, 0.2784

RGB percentages66.7%, 0%, 27.8%

HSLhsl(334.9, 100%, 33.3%)

HSV / HSBhsv(334.9, 100%, 66.7%)

CMYK0%, 100%, 58.2%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,141,191

CSS custom property--colour: #AA0047;

Brightness & contrast

Relative luminance0.09001WCAG 2.x, 0 is black and 1 is white

Perceived brightness96 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.5:1

Contrast with white7.5:1WCAG normal text: AAA

Contrast with black2.8:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#55FFB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E4148no red cones; affects about 1% of men; ΔE 63.5 from the original

Deuteranopia#665F43no green cones; the most common form, about 1% of men; ΔE 64 from the original

Tritanopia#BA0028no blue cones; rare, and affects men and women equally; ΔE 24.3 from the original

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

Contrast with white, large text7.5:1WCAG large text: AAA

Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Brown · ΔE 23.4 Indian red · ΔE 26.8 Crimson · ΔE 27.3 Firebrick · ΔE 28 Medium violet red · ΔE 28.7 Pale violetred · ΔE 31

Nearest named CSS colourBrown (#A52A2A)ΔE 23.39, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AA63

Analogous#AA009C, #AA0E00

Triadic#47AA00, #0047AA

Split complementary#00AA0E, #009CAA

Tetradic#9CAA00, #00AA63, #0E00AA

Tints, shades & saturation

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

Lighter +40%#FF77B0

Lighter +30%#FF4492

Lighter +20%#FF1174

Lighter +10%#DD005C

Darker −10%#770032

Darker −20%#44001C

Darker −30%#110007

Darker −40%#000000

More saturated +25%#AA0047

Less saturated −25%#95154A

Channel breakdown

R170

B71

Red170 (66.7%)

Green0 (0%)

Blue71 (27.8%)

Hue334.94°

Saturation (HSL)100%

Lightness33.33%

Dominant channelRed

Hex per channelR AA · G 00 · B 47

Keep nerding

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

#AA0047

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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