#681D29#681D29

#681D29 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.5% C 0.107 H 15.2°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#681D29
RGB	rgb(104, 29, 41)
HSL	hsl(350, 56%, 26%)
HSV	hsv(350, 72%, 41%)
CMYK	cmyk(0%, 72.1%, 60.6%, 59.2%)
CIE-LAB	lab(23.61, 34.23, 11.30)
CIE-LCH	lch(23.61, 36.05, 18.26°)
OKLab	oklab(35.49% 0.1028 0.028)
OKLCH	oklch(35.49% 0.107 15.2)
XYZ	xyz(6.5491, 3.9828, 2.5213)
Luminance	0.0398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681D29 #1D685C

analogous

#681D4E #681D29 #68361D

triadic

#681D29 #29681D #1D2968

tetradic

#681D29 #4E681D #1D685C #361D68

square

#681D29 #4E681D #1D685C #361D68

split-complementary

#681D29 #1D6836 #1D4E68

monochromatic

#180709 #381016 #681D29 #982A3C #C7384F

Accessibility & contrast

On white

11.69

#681D29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#681D29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681D29

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681D29	#FFFFFF	#000000	##FFFFFF
##681D29	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302E29

Deuteranopia (green-blind)

#433E27

Tritanopia (blue-blind)

#720D22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681d29;
/* rgb */ color: rgb(104, 29, 41);
/* oklch */ color: oklch(35.5% 0.107 15.2);

Tailwind

colors: {
  custom: {
    50: '#985e62',
    500: '#681d29',
    950: '#000000',
  },
}

SCSS

$custom: #681d29;
$custom-light: #985e62;
$custom-dark: #000000;

JSON

{
  "hex": "#681d29",
  "rgb": {
    "r": 104,
    "g": 29,
    "b": 41
  },
  "hsl": {
    "h": 350.4,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35486,
    "c": 0.10656,
    "h": 15.2
  },
  "luminance": 0.03982
}

Semantic roles & 50–950 ramp

primary

#681D29

secondary

#449D8F

accent

#E0C748

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #681D29

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

Preview Lab → · Contrast checker → · Palette generator →