#681D23#681D23

#681D23 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.107 H 20.1°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#681D23
RGB	rgb(104, 29, 35)
HSL	hsl(355, 56%, 26%)
HSV	hsv(355, 72%, 41%)
CMYK	cmyk(0%, 72.1%, 66.3%, 59.2%)
CIE-LAB	lab(23.49, 33.77, 15.21)
CIE-LCH	lch(23.49, 37.04, 24.24°)
OKLab	oklab(35.35% 0.1002 0.0366)
OKLCH	oklch(35.35% 0.107 20.1)
XYZ	xyz(6.4523, 3.9440, 2.0113)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681D23 #1D6862

analogous

#681D48 #681D23 #683C1D

triadic

#681D23 #23681D #1D2368

tetradic

#681D23 #48681D #1D6862 #3C1D68

square

#681D23 #48681D #1D6862 #3C1D68

split-complementary

#681D23 #1D683C #1D4868

monochromatic

#180708 #381013 #681D23 #982A33 #C73843

Accessibility & contrast

On white

11.74

#681D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681D23

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681D23	#FFFFFF	#000000	##FFFFFF
##681D23	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312E23

Deuteranopia (green-blind)

#443E21

Tritanopia (blue-blind)

#730A20

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681d23;
/* rgb */ color: rgb(104, 29, 35);
/* oklch */ color: oklch(35.3% 0.107 20.1);

Tailwind

colors: {
  custom: {
    50: '#995e5d',
    500: '#681d23',
    950: '#000000',
  },
}

SCSS

$custom: #681d23;
$custom-light: #995e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#681d23",
  "rgb": {
    "r": 104,
    "g": 29,
    "b": 35
  },
  "hsl": {
    "h": 355.2,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35348,
    "c": 0.10665,
    "h": 20.1
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#681D23

secondary

#449D96

accent

#E0D448

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0504

muted

#7E7979

Preview Lab

Preview with #681D23

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

Preview Lab → · Contrast checker → · Palette generator →