#681B19#681B19

#681B19 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.110 H 26.2°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#681B19
RGB	rgb(104, 27, 25)
HSL	hsl(2, 61%, 25%)
HSV	hsv(2, 76%, 41%)
CMYK	cmyk(0%, 74%, 76%, 59.2%)
CIE-LAB	lab(22.99, 34.03, 21.26)
CIE-LCH	lch(22.99, 40.13, 31.99°)
OKLab	oklab(34.92% 0.0987 0.0485)
OKLCH	oklch(34.92% 0.11 26.2)
XYZ	xyz(6.2770, 3.7980, 1.3221)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B19 #196668

analogous

#68193E #681B19 #684219

triadic

#681B19 #19681B #1B1968

tetradic

#681B19 #3E6819 #196668 #421968

square

#681B19 #3E6819 #196668 #421968

split-complementary

#681B19 #196842 #193E68

monochromatic

#190606 #370E0D #681B19 #992825 #CB3531

Accessibility & contrast

On white

11.94

#681B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#681B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B19

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B19	#FFFFFF	#000000	##FFFFFF
##681B19	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C18

Deuteranopia (green-blind)

#443D16

Tritanopia (blue-blind)

#73031B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b19;
/* rgb */ color: rgb(104, 27, 25);
/* oklch */ color: oklch(34.9% 0.110 26.2);

Tailwind

colors: {
  custom: {
    50: '#9a5d55',
    500: '#681b19',
    950: '#000000',
  },
}

SCSS

$custom: #681b19;
$custom-light: #9a5d55;
$custom-dark: #000000;

JSON

{
  "hex": "#681b19",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 25
  },
  "hsl": {
    "h": 1.519,
    "s": 61.24,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34924,
    "c": 0.11,
    "h": 26.2
  },
  "luminance": 0.03797
}

Semantic roles & 50–950 ramp

primary

#681B19

secondary

#3F9B9E

accent

#E0E443

background

#FAF5F5

surface

#F3E9E8

border

#CDC5C4

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #681B19

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

Preview Lab → · Contrast checker → · Palette generator →