#681A2B#681A2B

#681A2B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.110 H 12.3°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#681A2B
RGB	rgb(104, 26, 43)
HSL	hsl(347, 60%, 25%)
HSV	hsv(347, 75%, 41%)
CMYK	cmyk(0%, 75%, 58.7%, 59.2%)
CIE-LAB	lab(23.19, 35.69, 9.35)
CIE-LCH	lch(23.19, 36.89, 14.68°)
OKLab	oklab(35.19% 0.1078 0.0235)
OKLCH	oklch(35.19% 0.11 12.3)
XYZ	xyz(6.5150, 3.8572, 2.6865)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681A2B #1A6857

analogous

#681A52 #681A2B #68301A

triadic

#681A2B #2B681A #1A2B68

tetradic

#681A2B #52681A #1A6857 #301A68

square

#681A2B #52681A #1A6857 #301A68

split-complementary

#681A2B #1A6830 #1A5268

monochromatic

#18060A #370E17 #681A2B #99263F #CA3253

Accessibility & contrast

On white

11.86

#681A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681A2B

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681A2B	#FFFFFF	#000000	##FFFFFF
##681A2B	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D2B

Deuteranopia (green-blind)

#423D29

Tritanopia (blue-blind)

#720821

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681a2b;
/* rgb */ color: rgb(104, 26, 43);
/* oklch */ color: oklch(35.2% 0.110 12.3);

Tailwind

colors: {
  custom: {
    50: '#985d64',
    500: '#681a2b',
    950: '#000000',
  },
}

SCSS

$custom: #681a2b;
$custom-light: #985d64;
$custom-dark: #000000;

JSON

{
  "hex": "#681a2b",
  "rgb": {
    "r": 104,
    "g": 26,
    "b": 43
  },
  "hsl": {
    "h": 346.923,
    "s": 60,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35189,
    "c": 0.11034,
    "h": 12.3
  },
  "luminance": 0.03856
}

Semantic roles & 50–950 ramp

primary

#681A2B

secondary

#409D89

accent

#E3C145

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #681A2B

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

Preview Lab → · Contrast checker → · Palette generator →