#681B2C#681B2C

#681B2C is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.109 H 11.8°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#681B2C
RGB	rgb(104, 27, 44)
HSL	hsl(347, 59%, 26%)
HSV	hsv(347, 74%, 41%)
CMYK	cmyk(0%, 74%, 57.7%, 59.2%)
CIE-LAB	lab(23.37, 35.35, 8.90)
CIE-LCH	lch(23.37, 36.46, 14.14°)
OKLab	oklab(35.33% 0.1069 0.0224)
OKLCH	oklch(35.33% 0.109 11.8)
XYZ	xyz(6.5561, 3.9097, 2.7918)
Luminance	0.0391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B2C #1B6857

analogous

#681B52 #681B2C #68301B

triadic

#681B2C #2C681B #1B2C68

tetradic

#681B2C #52681B #1B6857 #301B68

square

#681B2C #52681B #1B6857 #301B68

split-complementary

#681B2C #1B6830 #1B5268

monochromatic

#18060A #370E17 #681B2C #992841 #C93455

Accessibility & contrast

On white

11.79

#681B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#681B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B2C

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B2C	#FFFFFF	#000000	##FFFFFF
##681B2C	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2E2C

Deuteranopia (green-blind)

#423D2A

Tritanopia (blue-blind)

#720A22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681b2c;
/* rgb */ color: rgb(104, 27, 44);
/* oklch */ color: oklch(35.3% 0.109 11.8);

Tailwind

colors: {
  custom: {
    50: '#985e64',
    500: '#681b2c',
    950: '#000000',
  },
}

SCSS

$custom: #681b2c;
$custom-light: #985e64;
$custom-dark: #000000;

JSON

{
  "hex": "#681b2c",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 346.753,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35328,
    "c": 0.10924,
    "h": 11.8
  },
  "luminance": 0.03909
}

Semantic roles & 50–950 ramp

primary

#681B2C

secondary

#429D89

accent

#E2C046

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #681B2C

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

Preview Lab → · Contrast checker → · Palette generator →