#671C2B#671C2B

#671C2B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.107 H 12.9°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#671C2B
RGB	rgb(103, 28, 43)
HSL	hsl(348, 57%, 26%)
HSV	hsv(348, 73%, 40%)
CMYK	cmyk(0%, 72.8%, 58.3%, 59.6%)
CIE-LAB	lab(23.30, 34.49, 9.47)
CIE-LCH	lch(23.30, 35.76, 15.35°)
OKLab	oklab(35.23% 0.1041 0.0238)
OKLCH	oklch(35.23% 0.107 12.9)
XYZ	xyz(6.4454, 3.8894, 2.6964)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671C2B #1C6758

analogous

#671C50 #671C2B #67321C

triadic

#671C2B #2B671C #1C2B67

tetradic

#671C2B #50671C #1C6758 #321C67

square

#671C2B #50671C #1C6758 #321C67

split-complementary

#671C2B #1C6732 #1C5067

monochromatic

#18070A #370F17 #671C2B #97293F #C73653

Accessibility & contrast

On white

11.81

#671C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#671C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671C2B

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671C2B	#FFFFFF	#000000	##FFFFFF
##671C2B	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E2B

Deuteranopia (green-blind)

#423D29

Tritanopia (blue-blind)

#710C22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671c2b;
/* rgb */ color: rgb(103, 28, 43);
/* oklch */ color: oklch(35.2% 0.107 12.9);

Tailwind

colors: {
  custom: {
    50: '#975e64',
    500: '#671c2b',
    950: '#000000',
  },
}

SCSS

$custom: #671c2b;
$custom-light: #975e64;
$custom-dark: #000000;

JSON

{
  "hex": "#671c2b",
  "rgb": {
    "r": 103,
    "g": 28,
    "b": 43
  },
  "hsl": {
    "h": 348,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35232,
    "c": 0.10677,
    "h": 12.9
  },
  "luminance": 0.03888
}

Semantic roles & 50–950 ramp

primary

#671C2B

secondary

#439C8A

accent

#E1C247

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #671C2B

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

Preview Lab → · Contrast checker → · Palette generator →