#671B1A#671B1A

#671B1A is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.109 H 25.5°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#671B1A
RGB	rgb(103, 27, 26)
HSL	hsl(1, 60%, 25%)
HSV	hsv(1, 75%, 40%)
CMYK	cmyk(0%, 73.8%, 74.8%, 59.6%)
CIE-LAB	lab(22.80, 33.72, 20.33)
CIE-LCH	lch(22.80, 39.38, 31.09°)
OKLab	oklab(34.75% 0.0981 0.0467)
OKLCH	oklch(34.75% 0.109 25.5)
XYZ	xyz(6.1726, 3.7429, 1.3745)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B1A #1A6667

analogous

#671A3F #671B1A #67411A

triadic

#671B1A #1A671B #1B1A67

tetradic

#671B1A #3F671A #1A6667 #411A67

square

#671B1A #3F671A #1A6667 #411A67

split-complementary

#671B1A #1A6741 #1A3F67

monochromatic

#180606 #360E0E #671B1A #982826 #C93533

Accessibility & contrast

On white

12.01

#671B1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#671B1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B1A

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B1A	#FFFFFF	#000000	##FFFFFF
##671B1A	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C19

Deuteranopia (green-blind)

#433C18

Tritanopia (blue-blind)

#72041C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b1a;
/* rgb */ color: rgb(103, 27, 26);
/* oklch */ color: oklch(34.8% 0.109 25.5);

Tailwind

colors: {
  custom: {
    50: '#995d56',
    500: '#671b1a',
    950: '#000000',
  },
}

SCSS

$custom: #671b1a;
$custom-light: #995d56;
$custom-dark: #000000;

JSON

{
  "hex": "#671b1a",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 26
  },
  "hsl": {
    "h": 0.779,
    "s": 59.69,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3475,
    "c": 0.10868,
    "h": 25.5
  },
  "luminance": 0.03742
}

Semantic roles & 50–950 ramp

primary

#671B1A

secondary

#409B9D

accent

#E1E345

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671B1A

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

Preview Lab → · Contrast checker → · Palette generator →