#671B13#671B13

#671B13 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.110 H 29.7°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#671B13
RGB	rgb(103, 27, 19)
HSL	hsl(6, 69%, 24%)
HSV	hsv(6, 82%, 40%)
CMYK	cmyk(0%, 73.8%, 81.6%, 59.6%)
CIE-LAB	lab(22.71, 33.38, 24.69)
CIE-LCH	lch(22.71, 41.52, 36.49°)
OKLab	oklab(34.65% 0.0954 0.0545)
OKLCH	oklch(34.65% 0.11 29.7)
XYZ	xyz(6.1037, 3.7154, 1.0117)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B13 #135F67

analogous

#671335 #671B13 #674513

triadic

#671B13 #13671B #1B1367

tetradic

#671B13 #356713 #135F67 #451367

square

#671B13 #356713 #135F67 #451367

split-complementary

#671B13 #136745 #133567

monochromatic

#1A0705 #330D09 #671B13 #9B291D #CE3626

Accessibility & contrast

On white

12.05

#671B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#671B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B13

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B13	#FFFFFF	#000000	##FFFFFF
##671B13	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C11

Deuteranopia (green-blind)

#443C10

Tritanopia (blue-blind)

#72021A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b13;
/* rgb */ color: rgb(103, 27, 19);
/* oklch */ color: oklch(34.6% 0.110 29.7);

Tailwind

colors: {
  custom: {
    50: '#995d51',
    500: '#671b13',
    950: '#000000',
  },
}

SCSS

$custom: #671b13;
$custom-light: #995d51;
$custom-dark: #000000;

JSON

{
  "hex": "#671b13",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 19
  },
  "hsl": {
    "h": 5.714,
    "s": 68.852,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34648,
    "c": 0.10988,
    "h": 29.7
  },
  "luminance": 0.03714
}

Semantic roles & 50–950 ramp

primary

#671B13

secondary

#37959E

accent

#DBEC3C

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #671B13

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

Preview Lab → · Contrast checker → · Palette generator →