#671B2C#671B2C

#671B2C is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.108 H 11.6°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#671B2C
RGB	rgb(103, 27, 44)
HSL	hsl(347, 58%, 25%)
HSV	hsv(347, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 57.3%, 59.6%)
CIE-LAB	lab(23.17, 35.01, 8.60)
CIE-LCH	lch(23.17, 36.05, 13.80°)
OKLab	oklab(35.14% 0.1059 0.0217)
OKLCH	oklch(35.14% 0.108 11.6)
XYZ	xyz(6.4407, 3.8502, 2.7864)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B2C #1B6756

analogous

#671B52 #671B2C #67301B

triadic

#671B2C #2C671B #1B2C67

tetradic

#671B2C #52671B #1B6756 #301B67

square

#671B2C #52671B #1B6756 #301B67

split-complementary

#671B2C #1B6730 #1B5267

monochromatic

#18060A #370E17 #671B2C #972841 #C83455

Accessibility & contrast

On white

11.87

#671B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B2C

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B2C	#FFFFFF	#000000	##FFFFFF
##671B2C	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D2C

Deuteranopia (green-blind)

#413D2A

Tritanopia (blue-blind)

#710B22

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b2c;
/* rgb */ color: rgb(103, 27, 44);
/* oklch */ color: oklch(35.1% 0.108 11.6);

Tailwind

colors: {
  custom: {
    50: '#975d64',
    500: '#671b2c',
    950: '#000000',
  },
}

SCSS

$custom: #671b2c;
$custom-light: #975d64;
$custom-dark: #000000;

JSON

{
  "hex": "#671b2c",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 346.579,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35142,
    "c": 0.10813,
    "h": 11.6
  },
  "luminance": 0.03849
}

Semantic roles & 50–950 ramp

primary

#671B2C

secondary

#429C88

accent

#E2BF46

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #671B2C

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

Preview Lab → · Contrast checker → · Palette generator →