#671D2B#671D2B

#671D2B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.4% C 0.106 H 13.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#671D2B
RGB	rgb(103, 29, 43)
HSL	hsl(349, 56%, 26%)
HSV	hsv(349, 72%, 40%)
CMYK	cmyk(0%, 71.8%, 58.3%, 59.6%)
CIE-LAB	lab(23.46, 34.05, 9.69)
CIE-LCH	lch(23.46, 35.40, 15.88°)
OKLab	oklab(35.35% 0.1027 0.0243)
OKLCH	oklch(35.35% 0.106 13.3)
XYZ	xyz(6.4695, 3.9376, 2.7044)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671D2B #1D6759

analogous

#671D50 #671D2B #67341D

triadic

#671D2B #2B671D #1D2B67

tetradic

#671D2B #50671D #1D6759 #341D67

square

#671D2B #50671D #1D6759 #341D67

split-complementary

#671D2B #1D6734 #1D5067

monochromatic

#18070A #371017 #671D2B #972A3F #C73853

Accessibility & contrast

On white

11.75

#671D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#671D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671D2B

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671D2B	#FFFFFF	#000000	##FFFFFF
##671D2B	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E2B

Deuteranopia (green-blind)

#423D29

Tritanopia (blue-blind)

#710E23

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671d2b;
/* rgb */ color: rgb(103, 29, 43);
/* oklch */ color: oklch(35.4% 0.106 13.3);

Tailwind

colors: {
  custom: {
    50: '#975e64',
    500: '#671d2b',
    950: '#000000',
  },
}

SCSS

$custom: #671d2b;
$custom-light: #975e64;
$custom-dark: #000000;

JSON

{
  "hex": "#671d2b",
  "rgb": {
    "r": 103,
    "g": 29,
    "b": 43
  },
  "hsl": {
    "h": 348.649,
    "s": 56.061,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35353,
    "c": 0.10552,
    "h": 13.3
  },
  "luminance": 0.03937
}

Semantic roles & 50–950 ramp

primary

#671D2B

secondary

#449C8B

accent

#DFC348

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #671D2B

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

Preview Lab → · Contrast checker → · Palette generator →