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Recognised as Colour

#A3392C

  • #A3392C
  • Red
  • Dark
  • Nearest: Brown

#A3392C is a red with RGB values 163, 57, 44 and HSL 7°, 57%, 41%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A3392C#A3392C
HEX#A3392C
RGBrgb(163, 57, 44)
RGB (0–1)0.6392, 0.2235, 0.1725
RGB percentages63.9%, 22.4%, 17.3%
HSLhsl(6.6, 57.5%, 40.6%)
HSV / HSBhsv(6.6, 73%, 63.9%)
CMYK0%, 65%, 73%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,697,004
CSS custom property--colour: #A3392C;

Brightness & contrast

Relative luminance0.10895WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.61:1
Contrast with white6.61:1WCAG normal text: AA
Contrast with black3.18:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#5CC6D3

Colour vision & accessibility

Protanopia#564E2Ano red cones; affects about 1% of men; ΔE 46.7 from the original
Deuteranopia#716529no green cones; the most common form, about 1% of men; ΔE 46.5 from the original
Tritanopia#B31E37no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.61:1WCAG large text: AAA
Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 6.98, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2C96A3
Analogous#A32C5B, #A3742C
Triadic#2CA339, #392CA3
Split complementary#2CA375, #2C5AA3
Tetradic#5BA32C, #2C96A3, #752CA3

Tints, shades & saturation

Lighter +40%#EAB7B1
Lighter +30%#DF9289
Lighter +20%#D46D61
Lighter +10%#C94839
Darker −10%#7B2B21
Darker −20%#531D16
Darker −30%#2B0F0B
Darker −40%#020101
More saturated +25%#BD2512
Less saturated −25%#894D46

Channel breakdown

R163
G57
B44
Red163 (63.9%)
Green57 (22.4%)
Blue44 (17.3%)
Hue6.55°
Saturation (HSL)57.49%
Lightness40.59%
Dominant channelRed
Hex per channelR A3 · G 39 · B 2C

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Every value on this page was computed from “a3392c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.