#671B16#671B16

#671B16 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.109 H 28.0°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#671B16
RGB	rgb(103, 27, 22)
HSL	hsl(4, 65%, 25%)
HSV	hsv(4, 79%, 40%)
CMYK	cmyk(0%, 73.8%, 78.6%, 59.6%)
CIE-LAB	lab(22.75, 33.52, 22.85)
CIE-LCH	lch(22.75, 40.57, 34.29°)
OKLab	oklab(34.69% 0.0966 0.0513)
OKLCH	oklch(34.69% 0.109 28)
XYZ	xyz(6.1310, 3.7263, 1.1553)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B16 #166267

analogous

#67163A #671B16 #674416

triadic

#671B16 #16671B #1B1667

tetradic

#671B16 #3A6716 #166267 #441667

square

#671B16 #3A6716 #166267 #441667

split-complementary

#671B16 #166744 #163A67

monochromatic

#190705 #350E0B #671B16 #992821 #CC352C

Accessibility & contrast

On white

12.03

#671B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#671B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B16

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B16	#FFFFFF	#000000	##FFFFFF
##671B16	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)

#312C15

Deuteranopia (green-blind)

#443C13

Tritanopia (blue-blind)

#72021B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b16;
/* rgb */ color: rgb(103, 27, 22);
/* oklch */ color: oklch(34.7% 0.109 28.0);

Tailwind

colors: {
  custom: {
    50: '#995d53',
    500: '#671b16',
    950: '#000000',
  },
}

SCSS

$custom: #671b16;
$custom-light: #995d53;
$custom-dark: #000000;

JSON

{
  "hex": "#671b16",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 22
  },
  "hsl": {
    "h": 3.704,
    "s": 64.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34688,
    "c": 0.10934,
    "h": 28
  },
  "luminance": 0.03725
}

Semantic roles & 50–950 ramp

primary

#671B16

secondary

#3B989E

accent

#DDE840

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #671B16

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

Preview Lab → · Contrast checker → · Palette generator →