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Recognised as Colour

#A80108

  • #A80108
  • Red
  • Dark
  • Nearest: Firebrick

#A80108 is a red with RGB values 168, 1, 8 and HSL 357°, 99%, 33%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A80108#A80108
HEX#A80108
RGBrgb(168, 1, 8)
RGB (0–1)0.6588, 0.0039, 0.0314
RGB percentages65.9%, 0.4%, 3.1%
HSLhsl(357.5, 98.8%, 33.1%)
HSV / HSBhsv(357.5, 99.4%, 65.9%)
CMYK0%, 99.4%, 95.2%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,010,312
CSS custom property--colour: #A80108;

Brightness & contrast

Relative luminance0.08364WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.86:1
Contrast with white7.86:1WCAG normal text: AAA
Contrast with black2.67:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#57FEF7

Colour vision & accessibility

Protanopia#453C03no red cones; affects about 1% of men; ΔE 63.3 from the original
Deuteranopia#6A5D00no green cones; the most common form, about 1% of men; ΔE 62.6 from the original
Tritanopia#BA0009no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.86:1WCAG large text: AAA
Contrast with black, large text2.67:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 9.55, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#01A8A1
Analogous#A8015B, #A84E01
Triadic#08A801, #0108A8
Split complementary#01A84D, #015BA8
Tetradic#5BA801, #01A8A1, #4E01A8

Tints, shades & saturation

Lighter +40%#FE777C
Lighter +30%#FE444C
Lighter +20%#FE111B
Lighter +10%#DB010A
Darker −10%#750106
Darker −20%#430003
Darker −30%#100001
Darker −40%#000000
More saturated +25%#A90007
Less saturated −25%#93161B

Channel breakdown

R168
G1
B8
Red168 (65.9%)
Green1 (0.4%)
Blue8 (3.1%)
Hue357.49°
Saturation (HSL)98.82%
Lightness33.14%
Dominant channelRed
Hex per channelR A8 · G 01 · B 08

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Every value on this page was computed from “a80108” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.