Recognised as Colour

#AA142A

#AA142A
Red
Dark
Nearest: Brown

#AA142A is a red with RGB values 170, 20, 42 and HSL 351°, 79%, 37%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AA142A#AA142A

HEX#AA142A

RGBrgb(170, 20, 42)

RGB (0–1)0.6667, 0.0784, 0.1647

RGB percentages66.7%, 7.8%, 16.5%

HSLhsl(351.2, 78.9%, 37.3%)

HSV / HSBhsv(351.2, 88.2%, 66.7%)

CMYK0%, 88.2%, 75.3%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,146,282

CSS custom property--colour: #AA142A;

Brightness & contrast

Relative luminance0.09214WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.39:1

Contrast with white7.39:1WCAG normal text: AAA

Contrast with black2.84:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#55EBD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474229no red cones; affects about 1% of men; ΔE 61.6 from the original

Deuteranopia#6B6124no green cones; the most common form, about 1% of men; ΔE 61.8 from the original

Tritanopia#BC001Fno blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text7.39:1WCAG large text: AAA

Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Brown · ΔE 7.7 Firebrick · ΔE 8.7 Dark red · ΔE 15.7 Maroon · ΔE 16.6 Crimson · ΔE 17.8 Indian red · ΔE 22.3

Nearest named CSS colourBrown (#A52A2A)ΔE 7.68, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#14AA94

Analogous#AA1475, #AA4914

Triadic#2AAA14, #142AAA

Split complementary#14AA49, #1475AA

Tetradic#75AA14, #14AA94, #4914AA

Tints, shades & saturation

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

Lighter +40%#F397A5

Lighter +30%#ED6A7D

Lighter +20%#E83C55

Lighter +10%#D81935

Darker −10%#7C0F1F

Darker −20%#4F0913

Darker −30%#210408

Darker −40%#000000

More saturated +25%#BE001C

Less saturated −25%#922C3B

Channel breakdown

R170

G20

B42

Red170 (66.7%)

Green20 (7.8%)

Blue42 (16.5%)

Hue351.2°

Saturation (HSL)78.95%

Lightness37.25%

Dominant channelRed

Hex per channelR AA · G 14 · B 2A

Keep nerding

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

#AA142A

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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