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Recognised as Colour

#A02909

  • #A02909
  • Red
  • Dark
  • Nearest: Dark red

#A02909 is a red with RGB values 160, 41, 9 and HSL 13°, 89%, 33%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A02909#A02909
HEX#A02909
RGBrgb(160, 41, 9)
RGB (0–1)0.6275, 0.1608, 0.0353
RGB percentages62.7%, 16.1%, 3.5%
HSLhsl(12.7, 89.3%, 33.1%)
HSV / HSBhsv(12.7, 94.4%, 62.7%)
CMYK0%, 74.4%, 94.4%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,496,265
CSS custom property--colour: #A02909;

Brightness & contrast

Relative luminance0.09079WCAG 2.x, 0 is black and 1 is white
Perceived brightness93 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.46:1
Contrast with white7.46:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#5FD6F6

Colour vision & accessibility

Protanopia#4E4401no red cones; affects about 1% of men; ΔE 51.7 from the original
Deuteranopia#6B5F00no green cones; the most common form, about 1% of men; ΔE 52.2 from the original
Tritanopia#B10024no blue cones; rare, and affects men and women equally; ΔE 18 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.46:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark red (#8B0000)ΔE 9.67, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0980A0
Analogous#A00935, #A07409
Triadic#09A029, #2909A0
Split complementary#09A074, #0935A0
Tetradic#35A009, #0980A0, #7409A0

Tints, shades & saturation

Lighter +40%#F8977D
Lighter +30%#F5714D
Lighter +20%#F24A1D
Lighter +10%#D0350C
Darker −10%#701D06
Darker −20%#3F1004
Darker −30%#0F0401
Darker −40%#000000
More saturated +25%#A92400
Less saturated −25%#8B351E

Channel breakdown

R160
G41
B9
Red160 (62.7%)
Green41 (16.1%)
Blue9 (3.5%)
Hue12.72°
Saturation (HSL)89.35%
Lightness33.14%
Dominant channelRed
Hex per channelR A0 · G 29 · B 09

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Every value on this page was computed from “a02909” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.