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Recognised as Colour

#681A10

  • #681A10
  • Red
  • Dark
  • Nearest: Maroon

#681A10 is a red with RGB values 104, 26, 16 and HSL 7°, 73%, 24%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#681A10#681A10
HEX#681A10
RGBrgb(104, 26, 16)
RGB (0–1)0.4078, 0.102, 0.0627
RGB percentages40.8%, 10.2%, 6.3%
HSLhsl(6.8, 73.3%, 23.5%)
HSV / HSBhsv(6.8, 84.6%, 40.8%)
CMYK0%, 75%, 84.6%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,822,416
CSS custom property--colour: #681A10;

Brightness & contrast

Relative luminance0.03719WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.04:1
Contrast with white12.04:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#97E5EF

Colour vision & accessibility

Protanopia#312B0Eno red cones; affects about 1% of men; ΔE 36.9 from the original
Deuteranopia#443D0Cno green cones; the most common form, about 1% of men; ΔE 37.7 from the original
Tritanopia#730018no blue cones; rare, and affects men and women equally; ΔE 11.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.04:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Nearest named CSS colourMaroon (#800000)ΔE 18.33, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#105E68
Analogous#681032, #684610
Triadic#10681A, #1A1068
Split complementary#106846, #103268
Tetradic#326810, #105E68, #461068

Tints, shades & saturation

Lighter +40%#E66D5E
Lighter +30%#DF4532
Lighter +20%#C0301E
Lighter +10%#942517
Darker −10%#3C0F09
Darker −20%#100402
Darker −30%#000000
Darker −40%#000000
More saturated +25%#770E01
Less saturated −25%#59261F

Channel breakdown

R104
G26
B16
Red104 (40.8%)
Green26 (10.2%)
Blue16 (6.3%)
Hue6.82°
Saturation (HSL)73.33%
Lightness23.53%
Dominant channelRed
Hex per channelR 68 · G 1A · B 10

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Every value on this page was computed from “681a10” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.