#671B1C#671B1C

#671B1C is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.108 H 24.1°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#671B1C
RGB	rgb(103, 27, 28)
HSL	hsl(359, 58%, 25%)
HSV	hsv(359, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 72.8%, 59.6%)
CIE-LAB	lab(22.83, 33.84, 19.05)
CIE-LCH	lch(22.83, 38.83, 29.38°)
OKLab	oklab(34.78% 0.099 0.0443)
OKLCH	oklch(34.78% 0.108 24.1)
XYZ	xyz(6.1957, 3.7522, 1.4964)
Luminance	0.0375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B1C #1B6766

analogous

#671B42 #671B1C #67401B

triadic

#671B1C #1C671B #1B1C67

tetradic

#671B1C #42671B #1B6766 #401B67

square

#671B1C #42671B #1B6766 #401B67

split-complementary

#671B1C #1B6740 #1B4267

monochromatic

#180607 #370E0F #671B1C #972829 #C83436

Accessibility & contrast

On white

12.00

#671B1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#671B1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B1C

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B1C	#FFFFFF	#000000	##FFFFFF
##671B1C	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1B

Deuteranopia (green-blind)

#433C1A

Tritanopia (blue-blind)

#72041C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b1c;
/* rgb */ color: rgb(103, 27, 28);
/* oklch */ color: oklch(34.8% 0.108 24.1);

Tailwind

colors: {
  custom: {
    50: '#985d58',
    500: '#671b1c',
    950: '#000000',
  },
}

SCSS

$custom: #671b1c;
$custom-light: #985d58;
$custom-dark: #000000;

JSON

{
  "hex": "#671b1c",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 28
  },
  "hsl": {
    "h": 359.211,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34784,
    "c": 0.10841,
    "h": 24.1
  },
  "luminance": 0.03751
}

Semantic roles & 50–950 ramp

primary

#671B1C

secondary

#429C9B

accent

#E2E046

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671B1C

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

Preview Lab → · Contrast checker → · Palette generator →