#681B29#681B29

#681B29 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.109 H 14.3°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#681B29
RGB	rgb(104, 27, 41)
HSL	hsl(349, 59%, 26%)
HSV	hsv(349, 74%, 41%)
CMYK	cmyk(0%, 74%, 60.6%, 59.2%)
CIE-LAB	lab(23.30, 35.10, 10.87)
CIE-LCH	lch(23.30, 36.75, 17.20°)
OKLab	oklab(35.25% 0.1056 0.027)
OKLCH	oklch(35.25% 0.109 14.3)
XYZ	xyz(6.5017, 3.8879, 2.5055)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B29 #1B685A

analogous

#681B4F #681B29 #68331B

triadic

#681B29 #29681B #1B2968

tetradic

#681B29 #4F681B #1B685A #331B68

square

#681B29 #4F681B #1B685A #331B68

split-complementary

#681B29 #1B6833 #1B4F68

monochromatic

#18060A #370E16 #681B29 #99283C #C9344F

Accessibility & contrast

On white

11.82

#681B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#681B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B29

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B29	#FFFFFF	#000000	##FFFFFF
##681B29	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D29

Deuteranopia (green-blind)

#423D27

Tritanopia (blue-blind)

#720921

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b29;
/* rgb */ color: rgb(104, 27, 41);
/* oklch */ color: oklch(35.3% 0.109 14.3);

Tailwind

colors: {
  custom: {
    50: '#985e62',
    500: '#681b29',
    950: '#000000',
  },
}

SCSS

$custom: #681b29;
$custom-light: #985e62;
$custom-dark: #000000;

JSON

{
  "hex": "#681b29",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 349.091,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3525,
    "c": 0.10899,
    "h": 14.3
  },
  "luminance": 0.03887
}

Semantic roles & 50–950 ramp

primary

#681B29

secondary

#429D8D

accent

#E2C646

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0F0505

muted

#7E7979

Preview Lab

Preview with #681B29

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

Preview Lab → · Contrast checker → · Palette generator →