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Recognised as Colour

#673B2D

  • #673B2D
  • Red
  • Dark
  • Nearest: Sienna

#673B2D is a red with RGB values 103, 59, 45 and HSL 14°, 39%, 29%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#673B2D#673B2D
HEX#673B2D
RGBrgb(103, 59, 45)
RGB (0–1)0.4039, 0.2314, 0.1765
RGB percentages40.4%, 23.1%, 17.6%
HSLhsl(14.5, 39.2%, 29%)
HSV / HSBhsv(14.5, 56.3%, 40.4%)
CMYK0%, 42.7%, 56.3%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,765,357
CSS custom property--colour: #673B2D;

Brightness & contrast

Relative luminance0.06201WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.37:1
Contrast with white9.37:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#98C4D2

Colour vision & accessibility

Protanopia#46412Cno red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#514A2Cno green cones; the most common form, about 1% of men; ΔE 20 from the original
Tritanopia#703437no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.37:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 25.98, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2D5967
Analogous#672D3C, #67582D
Triadic#2D673B, #3B2D67
Split complementary#2D6758, #2D3C67
Tetradic#3C672D, #2D5967, #582D67

Tints, shades & saturation

Lighter +40%#CFA091
Lighter +30%#BF816E
Lighter +20%#AE644C
Lighter +10%#8A4F3D
Darker −10%#44271D
Darker −20%#20120E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#7A311B
Less saturated −25%#554540

Channel breakdown

R103
G59
B45
Red103 (40.4%)
Green59 (23.1%)
Blue45 (17.6%)
Hue14.48°
Saturation (HSL)39.19%
Lightness29.02%
Dominant channelRed
Hex per channelR 67 · G 3B · B 2D

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Every value on this page was computed from “673b2d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.