#671F1B#671F1B

#671F1B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.104 H 27.0°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#671F1B
RGB	rgb(103, 31, 27)
HSL	hsl(3, 58%, 25%)
HSV	hsv(3, 74%, 40%)
CMYK	cmyk(0%, 69.9%, 73.8%, 59.6%)
CIE-LAB	lab(23.48, 31.97, 20.48)
CIE-LCH	lch(23.48, 37.97, 32.65°)
OKLab	oklab(35.27% 0.0928 0.0473)
OKLCH	oklch(35.27% 0.104 27)
XYZ	xyz(6.2820, 3.9436, 1.4671)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671F1B #1B6367

analogous

#671B3D #671F1B #67451B

triadic

#671F1B #1B671F #1F1B67

tetradic

#671F1B #3D671B #1B6367 #451B67

square

#671F1B #3D671B #1B6367 #451B67

split-complementary

#671F1B #1B6745 #1B3D67

monochromatic

#180706 #37100E #671F1B #972E28 #C83C34

Accessibility & contrast

On white

11.74

#671F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#671F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671F1B

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671F1B	#FFFFFF	#000000	##FFFFFF
##671F1B	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E1A

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#720C1F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671f1b;
/* rgb */ color: rgb(103, 31, 27);
/* oklch */ color: oklch(35.3% 0.104 27.0);

Tailwind

colors: {
  custom: {
    50: '#985f57',
    500: '#671f1b',
    950: '#000000',
  },
}

SCSS

$custom: #671f1b;
$custom-light: #985f57;
$custom-dark: #000000;

JSON

{
  "hex": "#671f1b",
  "rgb": {
    "r": 103,
    "g": 31,
    "b": 27
  },
  "hsl": {
    "h": 3.158,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35265,
    "c": 0.10415,
    "h": 27
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#671F1B

secondary

#42989C

accent

#D9E246

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #671F1B

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

Preview Lab → · Contrast checker → · Palette generator →