#681E1F#681E1F

#681E1F is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.106 H 23.6°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#681E1F
RGB	rgb(104, 30, 31)
HSL	hsl(359, 55%, 26%)
HSV	hsv(359, 71%, 41%)
CMYK	cmyk(0%, 71.2%, 70.2%, 59.2%)
CIE-LAB	lab(23.58, 33.05, 18.01)
CIE-LCH	lch(23.58, 37.64, 28.59°)
OKLab	oklab(35.39% 0.097 0.0424)
OKLCH	oklch(35.39% 0.106 23.6)
XYZ	xyz(6.4212, 3.9714, 1.7245)
Luminance	0.0397 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681E1F #1E6867

analogous

#681E44 #681E1F #68421E

triadic

#681E1F #1F681E #1E1F68

tetradic

#681E1F #44681E #1E6867 #421E68

square

#681E1F #44681E #1E6867 #421E68

split-complementary

#681E1F #1E6842 #1E4468

monochromatic

#180707 #391011 #681E1F #982C2D #C63A3C

Accessibility & contrast

On white

11.70

#681E1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681E1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681E1F

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681E1F	#FFFFFF	#000000	##FFFFFF
##681E1F	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E1E

Deuteranopia (green-blind)

#453E1D

Tritanopia (blue-blind)

#730B1F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681e1f;
/* rgb */ color: rgb(104, 30, 31);
/* oklch */ color: oklch(35.4% 0.106 23.6);

Tailwind

colors: {
  custom: {
    50: '#995f5a',
    500: '#681e1f',
    950: '#000000',
  },
}

SCSS

$custom: #681e1f;
$custom-light: #995f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#681e1f",
  "rgb": {
    "r": 104,
    "g": 30,
    "b": 31
  },
  "hsl": {
    "h": 359.189,
    "s": 55.224,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35392,
    "c": 0.10587,
    "h": 23.6
  },
  "luminance": 0.03971
}

Semantic roles & 50–950 ramp

primary

#681E1F

secondary

#459D9B

accent

#DFDD49

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #681E1F

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

Preview Lab → · Contrast checker → · Palette generator →