#681B2A#681B2A

#681B2A is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.109 H 13.5°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#681B2A
RGB	rgb(104, 27, 42)
HSL	hsl(348, 59%, 26%)
HSV	hsv(348, 74%, 41%)
CMYK	cmyk(0%, 74%, 59.6%, 59.2%)
CIE-LAB	lab(23.32, 35.18, 10.21)
CIE-LCH	lch(23.32, 36.64, 16.19°)
OKLab	oklab(35.28% 0.106 0.0255)
OKLCH	oklch(35.28% 0.109 13.5)
XYZ	xyz(6.5194, 3.8950, 2.5986)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B2A #1B6859

analogous

#681B50 #681B2A #68321B

triadic

#681B2A #2A681B #1B2A68

tetradic

#681B2A #50681B #1B6859 #321B68

square

#681B2A #50681B #1B6859 #321B68

split-complementary

#681B2A #1B6832 #1B5068

monochromatic

#18060A #370E16 #681B2A #99283E #C93451

Accessibility & contrast

On white

11.81

#681B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#681B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B2A

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B2A	#FFFFFF	#000000	##FFFFFF
##681B2A	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D2A

Deuteranopia (green-blind)

#423D28

Tritanopia (blue-blind)

#720921

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681b2a;
/* rgb */ color: rgb(104, 27, 42);
/* oklch */ color: oklch(35.3% 0.109 13.5);

Tailwind

colors: {
  custom: {
    50: '#985e63',
    500: '#681b2a',
    950: '#000000',
  },
}

SCSS

$custom: #681b2a;
$custom-light: #985e63;
$custom-dark: #000000;

JSON

{
  "hex": "#681b2a",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 42
  },
  "hsl": {
    "h": 348.312,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35275,
    "c": 0.10906,
    "h": 13.5
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary

#681B2A

secondary

#429D8B

accent

#E2C446

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #681B2A

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

Preview Lab → · Contrast checker → · Palette generator →