Recognised as Colour

#AA042B

#AA042B
Red
Dark
Nearest: Brown

#AA042B is a red with RGB values 170, 4, 43 and HSL 346°, 95%, 34%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AA042B#AA042B

HEX#AA042B

RGBrgb(170, 4, 43)

RGB (0–1)0.6667, 0.0157, 0.1686

RGB percentages66.7%, 1.6%, 16.9%

HSLhsl(345.9, 95.4%, 34.1%)

HSV / HSBhsv(345.9, 97.6%, 66.7%)

CMYK0%, 97.6%, 74.7%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,142,187

CSS custom property--colour: #AA042B;

Brightness & contrast

Relative luminance0.08807WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.6:1

Contrast with white7.6:1WCAG normal text: AAA

Contrast with black2.76:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#55FBD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443F2Bno red cones; affects about 1% of men; ΔE 63.5 from the original

Deuteranopia#6A5F25no green cones; the most common form, about 1% of men; ΔE 63.4 from the original

Tritanopia#BC001Ano blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

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

Contrast with white, large text7.6:1WCAG large text: AAA

Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Brown · ΔE 10.4 Firebrick · ΔE 10.9 Crimson · ΔE 17.1 Dark red · ΔE 17.5 Maroon · ΔE 18.3 Indian red · ΔE 23.8

Nearest named CSS colourBrown (#A52A2A)ΔE 10.36, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04AA83

Analogous#AA047E, #AA3004

Triadic#2BAA04, #042BAA

Split complementary#04AA30, #047EAA

Tetradic#7EAA04, #04AA83, #3004AA

Tints, shades & saturation

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

Lighter +40%#FC7E9C

Lighter +30%#FB4C75

Lighter +20%#FA1A4F

Lighter +10%#DC0538

Darker −10%#78031E

Darker −20%#460212

Darker −30%#150005

Darker −40%#000000

More saturated +25%#AE0029

Less saturated −25%#941A37

Channel breakdown

R170

B43

Red170 (66.7%)

Green4 (1.6%)

Blue43 (16.9%)

Hue345.9°

Saturation (HSL)95.4%

Lightness34.12%

Dominant channelRed

Hex per channelR AA · G 04 · B 2B

Keep nerding

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

#AA042B

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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