#681B2D#681B2D

#681B2D is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.4% C 0.109 H 11.0°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#681B2D
RGB	rgb(104, 27, 45)
HSL	hsl(346, 59%, 26%)
HSV	hsv(346, 74%, 41%)
CMYK	cmyk(0%, 74%, 56.7%, 59.2%)
CIE-LAB	lab(23.40, 35.44, 8.25)
CIE-LCH	lch(23.40, 36.39, 13.11°)
OKLab	oklab(35.35% 0.1074 0.0209)
OKLCH	oklch(35.35% 0.109 11)
XYZ	xyz(6.5751, 3.9173, 2.8920)
Luminance	0.0392 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B2D #1B6856

analogous

#681B53 #681B2D #682F1B

triadic

#681B2D #2D681B #1B2D68

tetradic

#681B2D #53681B #1B6856 #2F1B68

square

#681B2D #53681B #1B6856 #2F1B68

split-complementary

#681B2D #1B682F #1B5368

monochromatic

#18060B #370E18 #681B2D #992842 #C93457

Accessibility & contrast

On white

11.78

#681B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#681B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B2D

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B2D	#FFFFFF	#000000	##FFFFFF
##681B2D	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2E2D

Deuteranopia (green-blind)

#423D2B

Tritanopia (blue-blind)

#720B22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681b2d;
/* rgb */ color: rgb(104, 27, 45);
/* oklch */ color: oklch(35.4% 0.109 11.0);

Tailwind

colors: {
  custom: {
    50: '#985e65',
    500: '#681b2d',
    950: '#000000',
  },
}

SCSS

$custom: #681b2d;
$custom-light: #985e65;
$custom-dark: #000000;

JSON

{
  "hex": "#681b2d",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 45
  },
  "hsl": {
    "h": 345.974,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35355,
    "c": 0.10937,
    "h": 11
  },
  "luminance": 0.03916
}

Semantic roles & 50–950 ramp

primary

#681B2D

secondary

#429D88

accent

#E2BD46

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #681B2D

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

Preview Lab → · Contrast checker → · Palette generator →