#671B17#671B17

#671B17 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.109 H 27.4°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#671B17
RGB	rgb(103, 27, 23)
HSL	hsl(3, 63%, 25%)
HSV	hsv(3, 78%, 40%)
CMYK	cmyk(0%, 73.8%, 77.7%, 59.6%)
CIE-LAB	lab(22.76, 33.57, 22.23)
CIE-LCH	lch(22.76, 40.26, 33.51°)
OKLab	oklab(34.7% 0.0969 0.0502)
OKLCH	oklch(34.7% 0.109 27.4)
XYZ	xyz(6.1408, 3.7302, 1.2071)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B17 #176367

analogous

#67173B #671B17 #674317

triadic

#671B17 #17671B #1B1767

tetradic

#671B17 #3B6717 #176367 #431767

square

#671B17 #3B6717 #176367 #431767

split-complementary

#671B17 #176743 #173B67

monochromatic

#190706 #350E0C #671B17 #992822 #CB352D

Accessibility & contrast

On white

12.03

#671B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#671B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B17

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B17	#FFFFFF	#000000	##FFFFFF
##671B17	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C16

Deuteranopia (green-blind)

#443C14

Tritanopia (blue-blind)

#72031B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b17;
/* rgb */ color: rgb(103, 27, 23);
/* oklch */ color: oklch(34.7% 0.109 27.4);

Tailwind

colors: {
  custom: {
    50: '#995d54',
    500: '#671b17',
    950: '#000000',
  },
}

SCSS

$custom: #671b17;
$custom-light: #995d54;
$custom-dark: #000000;

JSON

{
  "hex": "#671b17",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 23
  },
  "hsl": {
    "h": 3,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34703,
    "c": 0.10916,
    "h": 27.4
  },
  "luminance": 0.03729
}

Semantic roles & 50–950 ramp

primary

#671B17

secondary

#3D989D

accent

#DEE741

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #671B17

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

Preview Lab → · Contrast checker → · Palette generator →