#671D1D#671D1D

#671D1D is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.0% C 0.106 H 24.4°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#671D1D
RGB	rgb(103, 29, 29)
HSL	hsl(0, 56%, 26%)
HSV	hsv(0, 72%, 40%)
CMYK	cmyk(0%, 71.8%, 71.8%, 59.6%)
CIE-LAB	lab(23.18, 33.01, 18.80)
CIE-LCH	lch(23.18, 37.99, 29.66°)
OKLab	oklab(35.04% 0.0966 0.0439)
OKLCH	oklch(35.04% 0.106 24.4)
XYZ	xyz(6.2553, 3.8519, 1.5763)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671D1D #1D6767

analogous

#671D42 #671D1D #67421D

triadic

#671D1D #1D671D #1D1D67

tetradic

#671D1D #42671D #1D6767 #421D67

square

#671D1D #42671D #1D6767 #421D67

split-complementary

#671D1D #1D6742 #1D4267

monochromatic

#180707 #371010 #671D1D #972A2A #C73838

Accessibility & contrast

On white

11.86

#671D1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671D1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671D1D

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671D1D	#FFFFFF	#000000	##FFFFFF
##671D1D	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1C

Deuteranopia (green-blind)

#443D1B

Tritanopia (blue-blind)

#72091E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671d1d;
/* rgb */ color: rgb(103, 29, 29);
/* oklch */ color: oklch(35.0% 0.106 24.4);

Tailwind

colors: {
  custom: {
    50: '#985e59',
    500: '#671d1d',
    950: '#000000',
  },
}

SCSS

$custom: #671d1d;
$custom-light: #985e59;
$custom-dark: #000000;

JSON

{
  "hex": "#671d1d",
  "rgb": {
    "r": 103,
    "g": 29,
    "b": 29
  },
  "hsl": {
    "h": 0,
    "s": 56.061,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35044,
    "c": 0.10608,
    "h": 24.4
  },
  "luminance": 0.03851
}

Semantic roles & 50–950 ramp

primary

#671D1D

secondary

#449C9C

accent

#DFDF48

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #671D1D

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

Preview Lab → · Contrast checker → · Palette generator →