#671B11#671B11

#671B11 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.110 H 30.8°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#671B11
RGB	rgb(103, 27, 17)
HSL	hsl(7, 72%, 24%)
HSV	hsv(7, 83%, 40%)
CMYK	cmyk(0%, 73.8%, 83.5%, 59.6%)
CIE-LAB	lab(22.68, 33.30, 25.87)
CIE-LCH	lch(22.68, 42.17, 37.84°)
OKLab	oklab(34.62% 0.0948 0.0564)
OKLCH	oklch(34.62% 0.11 30.8)
XYZ	xyz(6.0873, 3.7088, 0.9256)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B11 #115D67

analogous

#671132 #671B11 #674611

triadic

#671B11 #11671B #1B1167

tetradic

#671B11 #326711 #115D67 #461167

square

#671B11 #326711 #115D67 #461167

split-complementary

#671B11 #116746 #113267

monochromatic

#1A0704 #320D08 #671B11 #9C291A #D03722

Accessibility & contrast

On white

12.06

#671B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#671B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B11

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B11	#FFFFFF	#000000	##FFFFFF
##671B11	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C0F

Deuteranopia (green-blind)

#443C0E

Tritanopia (blue-blind)

#720119

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b11;
/* rgb */ color: rgb(103, 27, 17);
/* oklch */ color: oklch(34.6% 0.110 30.8);

Tailwind

colors: {
  custom: {
    50: '#995d50',
    500: '#671b11',
    950: '#000000',
  },
}

SCSS

$custom: #671b11;
$custom-light: #995d50;
$custom-dark: #000000;

JSON

{
  "hex": "#671b11",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 17
  },
  "hsl": {
    "h": 6.977,
    "s": 71.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34623,
    "c": 0.11026,
    "h": 30.8
  },
  "luminance": 0.03708
}

Semantic roles & 50–950 ramp

primary

#671B11

secondary

#35939F

accent

#D9EE39

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #671B11

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

Preview Lab → · Contrast checker → · Palette generator →