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Colour

#680B2C

  • #680B2C
  • Red
  • Dark
  • Nearest: Brown

#680B2C is a red with RGB values 104, 11, 44 and HSL 339°, 81%, 23%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#680B2C#680B2C
HEX#680B2C
RGBrgb(104, 11, 44)
RGB (0–1)0.4078, 0.0431, 0.1725
RGB percentages40.8%, 4.3%, 17.3%
HSLhsl(338.7, 80.9%, 22.5%)
HSV / HSBhsv(338.7, 89.4%, 40.8%)
CMYK0%, 89.4%, 57.7%, 59.2%naive device-independent conversion; real print needs an ICC profile
24-bit integer6,818,604
CSS custom property--colour: #680B2C;

Brightness & contrast

Relative luminance0.03364WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.55:1
Contrast with white12.55:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#97F4D3

Colour vision & accessibility

Protanopia#26282Dno red cones; affects about 1% of men; ΔE 41.9 from the original
Deuteranopia#3E3A2Ano green cones; the most common form, about 1% of men; ΔE 42.4 from the original
Tritanopia#72001Ano blue cones; rare, and affects men and women equally; ΔE 15 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.55:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 30.48, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0B6847
Analogous#680B5A, #68180B
Triadic#2C680B, #0B2C68
Split complementary#0B6818, #0B5A68
Tetradic#5B680B, #0B6847, #190B68

Tints, shades & saturation

Lighter +40%#ED5289
Lighter +30%#E8246A
Lighter +20%#C41553
Lighter +10%#961040
Darker −10%#3A0618
Darker −20%#0C0105
Darker −30%#000000
Darker −40%#000000
More saturated +25%#730029
Less saturated −25%#5A1930

Channel breakdown

R104
G11
B44
Red104 (40.8%)
Green11 (4.3%)
Blue44 (17.3%)
Hue338.71°
Saturation (HSL)80.87%
Lightness22.55%
Dominant channelRed
Hex per channelR 68 · G 0B · B 2C

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Every value on this page was computed from “680b2c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.