#671D1F#671D1F

#671D1F is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.106 H 23.0°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#671D1F
RGB	rgb(103, 29, 31)
HSL	hsl(358, 56%, 26%)
HSV	hsv(358, 72%, 40%)
CMYK	cmyk(0%, 71.8%, 69.9%, 59.6%)
CIE-LAB	lab(23.21, 33.14, 17.51)
CIE-LCH	lch(23.21, 37.48, 27.85°)
OKLab	oklab(35.08% 0.0974 0.0413)
OKLCH	oklch(35.08% 0.106 23)
XYZ	xyz(6.2809, 3.8621, 1.7108)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671D1F #1D6765

analogous

#671D44 #671D1F #67401D

triadic

#671D1F #1F671D #1D1F67

tetradic

#671D1F #44671D #1D6765 #401D67

square

#671D1F #44671D #1D6765 #401D67

split-complementary

#671D1F #1D6740 #1D4467

monochromatic

#180707 #371011 #671D1F #972A2D #C7383C

Accessibility & contrast

On white

11.85

#671D1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671D1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671D1F

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671D1F	#FFFFFF	#000000	##FFFFFF
##671D1F	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1E

Deuteranopia (green-blind)

#443D1D

Tritanopia (blue-blind)

#72091E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671d1f;
/* rgb */ color: rgb(103, 29, 31);
/* oklch */ color: oklch(35.1% 0.106 23.0);

Tailwind

colors: {
  custom: {
    50: '#985e5a',
    500: '#671d1f',
    950: '#000000',
  },
}

SCSS

$custom: #671d1f;
$custom-light: #985e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#671d1f",
  "rgb": {
    "r": 103,
    "g": 29,
    "b": 31
  },
  "hsl": {
    "h": 358.378,
    "s": 56.061,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35081,
    "c": 0.10582,
    "h": 23
  },
  "luminance": 0.03861
}

Semantic roles & 50–950 ramp

primary

#671D1F

secondary

#449C99

accent

#DFDB48

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #671D1F

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

Preview Lab → · Contrast checker → · Palette generator →