#681F1F#681F1F

#681F1F is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.5% C 0.105 H 24.2°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#681F1F
RGB	rgb(104, 31, 31)
HSL	hsl(0, 54%, 26%)
HSV	hsv(0, 70%, 41%)
CMYK	cmyk(0%, 70.2%, 70.2%, 59.2%)
CIE-LAB	lab(23.75, 32.59, 18.22)
CIE-LCH	lch(23.75, 37.34, 29.21°)
OKLab	oklab(35.52% 0.0956 0.0429)
OKLCH	oklch(35.52% 0.105 24.2)
XYZ	xyz(6.4469, 4.0229, 1.7331)
Luminance	0.0402 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681F1F #1F6868

analogous

#681F44 #681F1F #68441F

triadic

#681F1F #1F681F #1F1F68

tetradic

#681F1F #44681F #1F6868 #441F68

square

#681F1F #44681F #1F6868 #441F68

split-complementary

#681F1F #1F6844 #1F4468

monochromatic

#180707 #391111 #681F1F #972D2D #C53C3C

Accessibility & contrast

On white

11.64

#681F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#681F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681F1F

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681F1F	#FFFFFF	#000000	##FFFFFF
##681F1F	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332F1E

Deuteranopia (green-blind)

#453E1D

Tritanopia (blue-blind)

#730D20

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681f1f;
/* rgb */ color: rgb(104, 31, 31);
/* oklch */ color: oklch(35.5% 0.105 24.2);

Tailwind

colors: {
  custom: {
    50: '#995f5a',
    500: '#681f1f',
    950: '#000000',
  },
}

SCSS

$custom: #681f1f;
$custom-light: #995f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#681f1f",
  "rgb": {
    "r": 104,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 0,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3552,
    "c": 0.10472,
    "h": 24.2
  },
  "luminance": 0.04022
}

Semantic roles & 50–950 ramp

primary

#681F1F

secondary

#469C9C

accent

#DDDD4A

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #681F1F

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

Preview Lab → · Contrast checker → · Palette generator →