#681E1C#681E1C

#681E1C is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.3% C 0.106 H 25.7°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#681E1C
RGB	rgb(104, 30, 28)
HSL	hsl(2, 58%, 26%)
HSV	hsv(2, 73%, 41%)
CMYK	cmyk(0%, 71.2%, 73.1%, 59.2%)
CIE-LAB	lab(23.53, 32.87, 19.93)
CIE-LCH	lch(23.53, 38.44, 31.23°)
OKLab	oklab(35.34% 0.0958 0.0462)
OKLCH	oklch(35.34% 0.106 25.7)
XYZ	xyz(6.3835, 3.9564, 1.5259)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681E1C #1C6668

analogous

#681C40 #681E1C #68441C

triadic

#681E1C #1C681E #1E1C68

tetradic

#681E1C #40681C #1C6668 #441C68

square

#681E1C #40681C #1C6668 #441C68

split-complementary

#681E1C #1C6844 #1C4068

monochromatic

#180706 #38100F #681E1C #982C29 #C83A36

Accessibility & contrast

On white

11.73

#681E1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681E1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681E1C

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681E1C	#FFFFFF	#000000	##FFFFFF
##681E1C	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E1B

Deuteranopia (green-blind)

#453E1A

Tritanopia (blue-blind)

#730A1E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681e1c;
/* rgb */ color: rgb(104, 30, 28);
/* oklch */ color: oklch(35.3% 0.106 25.7);

Tailwind

colors: {
  custom: {
    50: '#995f58',
    500: '#681e1c',
    950: '#000000',
  },
}

SCSS

$custom: #681e1c;
$custom-light: #995f58;
$custom-dark: #000000;

JSON

{
  "hex": "#681e1c",
  "rgb": {
    "r": 104,
    "g": 30,
    "b": 28
  },
  "hsl": {
    "h": 1.579,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35339,
    "c": 0.1063,
    "h": 25.7
  },
  "luminance": 0.03955
}

Semantic roles & 50–950 ramp

primary

#681E1C

secondary

#439B9D

accent

#DDE147

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #681E1C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →