#671D1C#671D1C

#671D1C is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.106 H 25.1°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#671D1C
RGB	rgb(103, 29, 28)
HSL	hsl(1, 57%, 26%)
HSV	hsv(1, 73%, 40%)
CMYK	cmyk(0%, 71.8%, 72.8%, 59.6%)
CIE-LAB	lab(23.16, 32.95, 19.44)
CIE-LCH	lch(23.16, 38.26, 30.54°)
OKLab	oklab(35.03% 0.0962 0.0451)
OKLCH	oklch(35.03% 0.106 25.1)
XYZ	xyz(6.2431, 3.8470, 1.5122)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671D1C #1C6667

analogous

#671C40 #671D1C #67421C

triadic

#671D1C #1C671D #1D1C67

tetradic

#671D1C #40671C #1C6667 #421C67

square

#671D1C #40671C #1C6667 #421C67

split-complementary

#671D1C #1C6742 #1C4067

monochromatic

#180707 #370F0F #671D1C #972B29 #C73836

Accessibility & contrast

On white

11.87

#671D1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671D1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671D1C

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671D1C	#FFFFFF	#000000	##FFFFFF
##671D1C	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1B

Deuteranopia (green-blind)

#443D1A

Tritanopia (blue-blind)

#72081E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671d1c;
/* rgb */ color: rgb(103, 29, 28);
/* oklch */ color: oklch(35.0% 0.106 25.1);

Tailwind

colors: {
  custom: {
    50: '#985e58',
    500: '#671d1c',
    950: '#000000',
  },
}

SCSS

$custom: #671d1c;
$custom-light: #985e58;
$custom-dark: #000000;

JSON

{
  "hex": "#671d1c",
  "rgb": {
    "r": 103,
    "g": 29,
    "b": 28
  },
  "hsl": {
    "h": 0.8,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35026,
    "c": 0.10622,
    "h": 25.1
  },
  "luminance": 0.03846
}

Semantic roles & 50–950 ramp

primary

#671D1C

secondary

#439B9C

accent

#DEE147

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #671D1C

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

Preview Lab → · Contrast checker → · Palette generator →