#671C1E#671C1E

#671C1E is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.107 H 23.2°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#671C1E
RGB	rgb(103, 28, 30)
HSL	hsl(358, 57%, 26%)
HSV	hsv(358, 73%, 40%)
CMYK	cmyk(0%, 72.8%, 70.9%, 59.6%)
CIE-LAB	lab(23.03, 33.52, 17.95)
CIE-LCH	lch(23.03, 38.03, 28.18°)
OKLab	oklab(34.94% 0.0984 0.0422)
OKLCH	oklch(34.94% 0.107 23.2)
XYZ	xyz(6.2438, 3.8087, 1.6344)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671C1E #1C6765

analogous

#671C43 #671C1E #673F1C

triadic

#671C1E #1E671C #1C1E67

tetradic

#671C1E #43671C #1C6765 #3F1C67

square

#671C1E #43671C #1C6765 #3F1C67

split-complementary

#671C1E #1C673F #1C4367

monochromatic

#180707 #370F10 #671C1E #97292C #C7363A

Accessibility & contrast

On white

11.92

#671C1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671C1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671C1E

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671C1E	#FFFFFF	#000000	##FFFFFF
##671C1E	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1D

Deuteranopia (green-blind)

#433D1C

Tritanopia (blue-blind)

#72071D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671c1e;
/* rgb */ color: rgb(103, 28, 30);
/* oklch */ color: oklch(34.9% 0.107 23.2);

Tailwind

colors: {
  custom: {
    50: '#985e59',
    500: '#671c1e',
    950: '#000000',
  },
}

SCSS

$custom: #671c1e;
$custom-light: #985e59;
$custom-dark: #000000;

JSON

{
  "hex": "#671c1e",
  "rgb": {
    "r": 103,
    "g": 28,
    "b": 30
  },
  "hsl": {
    "h": 358.4,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3494,
    "c": 0.10706,
    "h": 23.2
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#671C1E

secondary

#439C9A

accent

#E1DC47

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #671C1E

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

Preview Lab → · Contrast checker → · Palette generator →