Recognised as Colour

#A00D09

#A00D09
Red
Dark
Nearest: Dark red

#A00D09 is a red with RGB values 160, 13, 9 and HSL 2°, 89%, 33%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A00D09#A00D09

HEX#A00D09

RGBrgb(160, 13, 9)

RGB (0–1)0.6275, 0.051, 0.0353

RGB percentages62.7%, 5.1%, 3.5%

HSLhsl(1.6, 89.3%, 33.1%)

HSV / HSBhsv(1.6, 94.4%, 62.7%)

CMYK0%, 91.9%, 94.4%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,489,097

CSS custom property--colour: #A00D09;

Brightness & contrast

Relative luminance0.07781WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.22:1

Contrast with white8.22:1WCAG normal text: AAA

Contrast with black2.56:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#5FF2F6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443B04no red cones; affects about 1% of men; ΔE 59.2 from the original

Deuteranopia#665A00no green cones; the most common form, about 1% of men; ΔE 59.2 from the original

Tritanopia#B10010no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original

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

Contrast with white, large text8.22:1WCAG large text: AAA

Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Dark red · ΔE 7.1 Firebrick · ΔE 8.3 Maroon · ΔE 11.9 Brown · ΔE 14.7 Crimson · ΔE 23.3 Sienna · ΔE 28.7

Nearest named CSS colourDark red (#8B0000)ΔE 7.09, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#099CA0

Analogous#A00950, #A05909

Triadic#09A00D, #0D09A0

Split complementary#09A059, #0951A0

Tetradic#50A009, #099CA0, #5809A0

Tints, shades & saturation

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

Lighter +40%#F8817D

Lighter +30%#F5514D

Lighter +20%#F2221D

Lighter +10%#D0110C

Darker −10%#700906

Darker −20%#3F0504

Darker −30%#0F0101

Darker −40%#000000

More saturated +25%#A90400

Less saturated −25%#8B211E

Channel breakdown

R160

G13

Red160 (62.7%)

Green13 (5.1%)

Blue9 (3.5%)

Hue1.59°

Saturation (HSL)89.35%

Lightness33.14%

Dominant channelRed

Hex per channelR A0 · G 0D · B 09

Keep nerding

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

#A00D09

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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