#671A1F#671A1F

#671A1F is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.109 H 21.5°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#671A1F
RGB	rgb(103, 26, 31)
HSL	hsl(356, 60%, 25%)
HSV	hsv(356, 75%, 40%)
CMYK	cmyk(0%, 74.8%, 69.9%, 59.6%)
CIE-LAB	lab(22.73, 34.45, 16.91)
CIE-LCH	lch(22.73, 38.38, 26.15°)
OKLab	oklab(34.72% 0.1016 0.04)
OKLCH	oklch(34.72% 0.109 21.5)
XYZ	xyz(6.2109, 3.7222, 1.6875)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671A1F #1A6762

analogous

#671A45 #671A1F #673B1A

triadic

#671A1F #1F671A #1A1F67

tetradic

#671A1F #45671A #1A6762 #3B1A67

square

#671A1F #45671A #1A6762 #3B1A67

split-complementary

#671A1F #1A673B #1A4567

monochromatic

#180607 #360E10 #671A1F #98262E #C9333C

Accessibility & contrast

On white

12.04

#671A1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#671A1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671A1F

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671A1F	#FFFFFF	#000000	##FFFFFF
##671A1F	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C1F

Deuteranopia (green-blind)

#433C1D

Tritanopia (blue-blind)

#72031D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671a1f;
/* rgb */ color: rgb(103, 26, 31);
/* oklch */ color: oklch(34.7% 0.109 21.5);

Tailwind

colors: {
  custom: {
    50: '#985d5a',
    500: '#671a1f',
    950: '#000000',
  },
}

SCSS

$custom: #671a1f;
$custom-light: #985d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#671a1f",
  "rgb": {
    "r": 103,
    "g": 26,
    "b": 31
  },
  "hsl": {
    "h": 356.104,
    "s": 59.69,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34723,
    "c": 0.10917,
    "h": 21.5
  },
  "luminance": 0.03721
}

Semantic roles & 50–950 ramp

primary

#671A1F

secondary

#409D97

accent

#E3D945

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #671A1F

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

Preview Lab → · Contrast checker → · Palette generator →