#671F0F#671F0F

#671F0F is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.107 H 34.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#671F0F
RGB	rgb(103, 31, 15)
HSL	hsl(11, 75%, 23%)
HSV	hsv(11, 85%, 40%)
CMYK	cmyk(0%, 69.9%, 85.4%, 59.6%)
CIE-LAB	lab(23.33, 31.41, 27.65)
CIE-LCH	lch(23.33, 41.85, 41.36°)
OKLab	oklab(35.1% 0.0884 0.0596)
OKLCH	oklch(35.1% 0.107 34)
XYZ	xyz(6.1704, 3.8989, 0.8795)
Luminance	0.0390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671F0F #0F5767

analogous

#670F2B #671F0F #674B0F

triadic

#671F0F #0F671F #1F0F67

tetradic

#671F0F #2B670F #0F5767 #4B0F67

square

#671F0F #2B670F #0F5767 #4B0F67

split-complementary

#671F0F #0F674B #0F2B67

monochromatic

#1B0804 #320F07 #671F0F #9C2F17 #D23F1F

Accessibility & contrast

On white

11.80

#671F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#671F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671F0F

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671F0F	#FFFFFF	#000000	##FFFFFF
##671F0F	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342E0C

Deuteranopia (green-blind)

#463E0C

Tritanopia (blue-blind)

#72091C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671f0f;
/* rgb */ color: rgb(103, 31, 15);
/* oklch */ color: oklch(35.1% 0.107 34.0);

Tailwind

colors: {
  custom: {
    50: '#995f4e',
    500: '#671f0f',
    950: '#000000',
  },
}

SCSS

$custom: #671f0f;
$custom-light: #995f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#671f0f",
  "rgb": {
    "r": 103,
    "g": 31,
    "b": 15
  },
  "hsl": {
    "h": 10.909,
    "s": 74.576,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35105,
    "c": 0.10666,
    "h": 34
  },
  "luminance": 0.03898
}

Semantic roles & 50–950 ramp

primary

#671F0F

secondary

#328CA0

accent

#CFF137

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0502

muted

#7F7978

Preview Lab

Preview with #671F0F

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

Preview Lab → · Contrast checker → · Palette generator →