#671F1D#671F1D

#671F1D is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.3% C 0.104 H 25.6°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#671F1D
RGB	rgb(103, 31, 29)
HSL	hsl(2, 56%, 26%)
HSV	hsv(2, 72%, 40%)
CMYK	cmyk(0%, 69.9%, 71.8%, 59.6%)
CIE-LAB	lab(23.52, 32.09, 19.21)
CIE-LCH	lch(23.52, 37.40, 30.91°)
OKLab	oklab(35.3% 0.0937 0.0448)
OKLCH	oklch(35.3% 0.104 25.6)
XYZ	xyz(6.3059, 3.9531, 1.5931)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671F1D #1D6567

analogous

#671D40 #671F1D #67441D

triadic

#671F1D #1D671F #1F1D67

tetradic

#671F1D #40671D #1D6567 #441D67

square

#671F1D #40671D #1D6567 #441D67

split-complementary

#671F1D #1D6744 #1D4067

monochromatic

#180707 #371110 #671F1D #972D2A #C73C38

Accessibility & contrast

On white

11.73

#671F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#671F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671F1D

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671F1D	#FFFFFF	#000000	##FFFFFF
##671F1D	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E1C

Deuteranopia (green-blind)

#453E1B

Tritanopia (blue-blind)

#720D1F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671f1d;
/* rgb */ color: rgb(103, 31, 29);
/* oklch */ color: oklch(35.3% 0.104 25.6);

Tailwind

colors: {
  custom: {
    50: '#985f59',
    500: '#671f1d',
    950: '#000000',
  },
}

SCSS

$custom: #671f1d;
$custom-light: #985f59;
$custom-dark: #000000;

JSON

{
  "hex": "#671f1d",
  "rgb": {
    "r": 103,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 1.622,
    "s": 56.061,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35299,
    "c": 0.10381,
    "h": 25.6
  },
  "luminance": 0.03952
}

Semantic roles & 50–950 ramp

primary

#671F1D

secondary

#44999C

accent

#DBDF48

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #671F1D

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

Preview Lab → · Contrast checker → · Palette generator →