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Recognised as Colour

#A80801

  • #A80801
  • Red
  • Dark
  • Nearest: Firebrick

#A80801 is a red with RGB values 168, 8, 1 and HSL 3°, 99%, 33%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A80801#A80801
HEX#A80801
RGBrgb(168, 8, 1)
RGB (0–1)0.6588, 0.0314, 0.0039
RGB percentages65.9%, 3.1%, 0.4%
HSLhsl(2.5, 98.8%, 33.1%)
HSV / HSBhsv(2.5, 99.4%, 65.9%)
CMYK0%, 95.2%, 99.4%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,012,097
CSS custom property--colour: #A80801;

Brightness & contrast

Relative luminance0.08501WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.78:1
Contrast with white7.78:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#57F7FE

Colour vision & accessibility

Protanopia#473D00no red cones; affects about 1% of men; ΔE 62.3 from the original
Deuteranopia#6B5E00no green cones; the most common form, about 1% of men; ΔE 61.8 from the original
Tritanopia#BA000Cno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.78:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 11.92, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#01A1A8
Analogous#A8014E, #A85B01
Triadic#01A808, #0801A8
Split complementary#01A85B, #014EA8
Tetradic#4EA801, #01A1A8, #5B01A8

Tints, shades & saturation

Lighter +40%#FE7C77
Lighter +30%#FE4C44
Lighter +20%#FE1B11
Lighter +10%#DB0A01
Darker −10%#750601
Darker −20%#430300
Darker −30%#100100
Darker −40%#000000
More saturated +25%#A90700
Less saturated −25%#931B16

Channel breakdown

R168
G8
B1
Red168 (65.9%)
Green8 (3.1%)
Blue1 (0.4%)
Hue2.51°
Saturation (HSL)98.82%
Lightness33.14%
Dominant channelRed
Hex per channelR A8 · G 08 · B 01

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Every value on this page was computed from “a80801” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.