#671C1D#671C1D

#671C1D is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.107 H 23.9°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#671C1D
RGB	rgb(103, 28, 29)
HSL	hsl(359, 57%, 26%)
HSV	hsv(359, 73%, 40%)
CMYK	cmyk(0%, 72.8%, 71.8%, 59.6%)
CIE-LAB	lab(23.01, 33.46, 18.60)
CIE-LCH	lch(23.01, 38.28, 29.07°)
OKLab	oklab(34.92% 0.098 0.0434)
OKLCH	oklch(34.92% 0.107 23.9)
XYZ	xyz(6.2312, 3.8037, 1.5682)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671C1D #1C6766

analogous

#671C42 #671C1D #67401C

triadic

#671C1D #1D671C #1C1D67

tetradic

#671C1D #42671C #1C6766 #401C67

square

#671C1D #42671C #1C6766 #401C67

split-complementary

#671C1D #1C6740 #1C4267

monochromatic

#180707 #370F0F #671C1D #97292B #C73638

Accessibility & contrast

On white

11.93

#671C1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671C1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671C1D

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671C1D	#FFFFFF	#000000	##FFFFFF
##671C1D	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1C

Deuteranopia (green-blind)

#443D1B

Tritanopia (blue-blind)

#72071D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671c1d;
/* rgb */ color: rgb(103, 28, 29);
/* oklch */ color: oklch(34.9% 0.107 23.9);

Tailwind

colors: {
  custom: {
    50: '#985e59',
    500: '#671c1d',
    950: '#000000',
  },
}

SCSS

$custom: #671c1d;
$custom-light: #985e59;
$custom-dark: #000000;

JSON

{
  "hex": "#671c1d",
  "rgb": {
    "r": 103,
    "g": 28,
    "b": 29
  },
  "hsl": {
    "h": 359.2,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34921,
    "c": 0.10719,
    "h": 23.9
  },
  "luminance": 0.03803
}

Semantic roles & 50–950 ramp

primary

#671C1D

secondary

#439C9B

accent

#E1DE47

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671C1D

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

Preview Lab → · Contrast checker → · Palette generator →