Recognised as Colour

#AA1213

#AA1213
Red
Dark
Nearest: Firebrick

#AA1213 is a red with RGB values 170, 18, 19 and HSL 360°, 81%, 37%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#AA1213#AA1213

HEX#AA1213

RGBrgb(170, 18, 19)

RGB (0–1)0.6667, 0.0706, 0.0745

RGB percentages66.7%, 7.1%, 7.5%

HSLhsl(359.6, 80.9%, 36.9%)

HSV / HSBhsv(359.6, 89.4%, 66.7%)

CMYK0%, 89.4%, 88.8%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,145,747

CSS custom property--colour: #AA1213;

Brightness & contrast

Relative luminance0.09026WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.49:1

Contrast with white7.49:1WCAG normal text: AAA

Contrast with black2.81:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#55EDEC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#494010no red cones; affects about 1% of men; ΔE 61.4 from the original

Deuteranopia#6C6006no green cones; the most common form, about 1% of men; ΔE 61.7 from the original

Tritanopia#BC0016no blue cones; rare, and affects men and women equally; ΔE 8.1 from the original

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

Contrast with white, large text7.49:1WCAG large text: AAA

Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.5 Dark red · ΔE 10 Brown · ΔE 13.7 Maroon · ΔE 14.3 Crimson · ΔE 19.7 Tomato · ΔE 26.5

Nearest named CSS colourFirebrick (#B22222)ΔE 5.52, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12AAA9

Analogous#AA125F, #AA5D12

Triadic#13AA12, #1213AA

Split complementary#12AA5D, #125FAA

Tetradic#5FAA12, #12AAA9, #5D12AA

Tints, shades & saturation

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

Lighter +40%#F49495

Lighter +30%#EF6667

Lighter +20%#EA3839

Lighter +10%#D81718

Darker −10%#7C0D0E

Darker −20%#4E0809

Darker −30%#200304

Darker −40%#000000

More saturated +25%#BC0001

Less saturated −25%#93292A

Channel breakdown

R170

G18

B19

Red170 (66.7%)

Green18 (7.1%)

Blue19 (7.5%)

Hue359.61°

Saturation (HSL)80.85%

Lightness36.86%

Dominant channelRed

Hex per channelR AA · G 12 · B 13

Keep nerding

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

#AA1213

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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