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Recognised as Colour

#A00800

  • #A00800
  • Red
  • Dark
  • Nearest: Dark red

#A00800 is a red with RGB values 160, 8, 0 and HSL 3°, 100%, 31%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A00800#A00800
HEX#A00800
RGBrgb(160, 8, 0)
RGB (0–1)0.6275, 0.0314, 0
RGB percentages62.7%, 3.1%, 0%
HSLhsl(3, 100%, 31.4%)
HSV / HSBhsv(3, 100%, 62.7%)
CMYK0%, 95%, 100%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,487,808
CSS custom property--colour: #A00800;

Brightness & contrast

Relative luminance0.07647WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.3:1
Contrast with white8.3:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#5FF7FF

Colour vision & accessibility

Protanopia#433A00no red cones; affects about 1% of men; ΔE 60.4 from the original
Deuteranopia#655900no green cones; the most common form, about 1% of men; ΔE 59.6 from the original
Tritanopia#B1000Bno blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.3:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark red (#8B0000)ΔE 9, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0098A0
Analogous#A00048, #A05800
Triadic#00A008, #0800A0
Split complementary#00A058, #0048A0
Tetradic#48A000, #0098A0, #5800A0

Tints, shades & saturation

Lighter +40%#FF746D
Lighter +30%#FF443A
Lighter +20%#FF1307
Lighter +10%#D30B00
Darker −10%#6D0500
Darker −20%#3A0300
Darker −30%#070000
Darker −40%#000000
More saturated +25%#A00800
Less saturated −25%#8C1A14

Channel breakdown

R160
G8
B0
Red160 (62.7%)
Green8 (3.1%)
Blue0 (0%)
Hue3°
Saturation (HSL)100%
Lightness31.37%
Dominant channelRed
Hex per channelR A0 · G 08 · B 00

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Every value on this page was computed from “a00800” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.