#673C31#673C31

#673C31 is a dark, moderate red. Relative luminance 0.063; OKLCH L 40.5% C 0.064 H 35.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#673C31
RGB	rgb(103, 60, 49)
HSL	hsl(12, 36%, 30%)
HSV	hsv(12, 52%, 40%)
CMYK	cmyk(0%, 41.7%, 52.4%, 59.6%)
CIE-LAB	lab(30.25, 17.60, 14.85)
CIE-LCH	lch(30.25, 23.02, 40.15°)
OKLab	oklab(40.53% 0.0522 0.0368)
OKLCH	oklch(40.53% 0.064 35.2)
XYZ	xyz(7.7642, 6.3377, 3.7195)
Luminance	0.0634 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673C31 #315C67

analogous

#673141 #673C31 #675731

triadic

#673C31 #31673C #3C3167

tetradic

#673C31 #416731 #315C67 #573167

square

#673C31 #416731 #315C67 #573167

split-complementary

#673C31 #316757 #314167

monochromatic

#150C0A #3E241D #673C31 #905445 #B3705F

Accessibility & contrast

On white

9.26

#673C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#673C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673C31

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673C31	#FFFFFF	#000000	##FFFFFF
##673C31	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464230

Deuteranopia (green-blind)

#514B30

Tritanopia (blue-blind)

#703539

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #673c31;
/* rgb */ color: rgb(103, 60, 49);
/* oklch */ color: oklch(40.5% 0.064 35.2);

Tailwind

colors: {
  custom: {
    50: '#957269',
    500: '#673c31',
    950: '#000000',
  },
}

SCSS

$custom: #673c31;
$custom-light: #957269;
$custom-dark: #000000;

JSON

{
  "hex": "#673c31",
  "rgb": {
    "r": 103,
    "g": 60,
    "b": 49
  },
  "hsl": {
    "h": 12.222,
    "s": 35.526,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40534,
    "c": 0.06385,
    "h": 35.2
  },
  "luminance": 0.06337
}

Semantic roles & 50–950 ramp

primary

#673C31

secondary

#5C8C98

accent

#B5CC5C

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0E0806

muted

#7E7B7A

Preview Lab

Preview with #673C31

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

Preview Lab → · Contrast checker → · Palette generator →