#681F2B#681F2B

#681F2B is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.8% C 0.104 H 14.5°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#681F2B
RGB	rgb(104, 31, 43)
HSL	hsl(350, 54%, 26%)
HSV	hsv(350, 70%, 41%)
CMYK	cmyk(0%, 70.2%, 58.7%, 59.2%)
CIE-LAB	lab(23.99, 33.49, 10.44)
CIE-LCH	lch(23.99, 35.08, 17.31°)
OKLab	oklab(35.78% 0.1008 0.0261)
OKLCH	oklch(35.78% 0.104 14.5)
XYZ	xyz(6.6355, 4.0983, 2.7267)
Luminance	0.0410 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681F2B #1F685C

analogous

#681F50 #681F2B #68381F

triadic

#681F2B #2B681F #1F2B68

tetradic

#681F2B #50681F #1F685C #381F68

square

#681F2B #50681F #1F685C #381F68

split-complementary

#681F2B #1F6838 #1F5068

monochromatic

#18070A #391118 #681F2B #972D3E #C53C53

Accessibility & contrast

On white

11.54

#681F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#681F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681F2B

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681F2B	#FFFFFF	#000000	##FFFFFF
##681F2B	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31302B

Deuteranopia (green-blind)

#443F29

Tritanopia (blue-blind)

#721124

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #681f2b;
/* rgb */ color: rgb(104, 31, 43);
/* oklch */ color: oklch(35.8% 0.104 14.5);

Tailwind

colors: {
  custom: {
    50: '#986064',
    500: '#681f2b',
    950: '#000000',
  },
}

SCSS

$custom: #681f2b;
$custom-light: #986064;
$custom-dark: #000000;

JSON

{
  "hex": "#681f2b",
  "rgb": {
    "r": 104,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 350.137,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35784,
    "c": 0.10413,
    "h": 14.5
  },
  "luminance": 0.04097
}

Semantic roles & 50–950 ramp

primary

#681F2B

secondary

#469C8E

accent

#DDC54A

background

#F9F5F5

surface

#F2EAEA

border

#CCC6C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #681F2B

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

Preview Lab → · Contrast checker → · Palette generator →