#673C30#673C30

#673C30 is a dark, moderate red. Relative luminance 0.063; OKLCH L 40.5% C 0.064 H 36.4°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#673C30
RGB	rgb(103, 60, 48)
HSL	hsl(13, 36%, 30%)
HSV	hsv(13, 53%, 40%)
CMYK	cmyk(0%, 41.7%, 53.4%, 59.6%)
CIE-LAB	lab(30.23, 17.49, 15.46)
CIE-LCH	lch(30.23, 23.34, 41.46°)
OKLab	oklab(40.51% 0.0518 0.0381)
OKLCH	oklch(40.51% 0.064 36.4)
XYZ	xyz(7.7434, 6.3294, 3.6096)
Luminance	0.0633 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673C30 #305B67

analogous

#673040 #673C30 #675830

triadic

#673C30 #30673C #3C3067

tetradic

#673C30 #406730 #305B67 #583067

square

#673C30 #406730 #305B67 #583067

split-complementary

#673C30 #306758 #304067

monochromatic

#150C0A #3D241D #673C30 #915443 #B4705E

Accessibility & contrast

On white

9.27

#673C30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#673C30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673C30

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673C30	#FFFFFF	#000000	##FFFFFF
##673C30	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47422F

Deuteranopia (green-blind)

#514B2F

Tritanopia (blue-blind)

#703539

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #673c30;
/* rgb */ color: rgb(103, 60, 48);
/* oklch */ color: oklch(40.5% 0.064 36.4);

Tailwind

colors: {
  custom: {
    50: '#957268',
    500: '#673c30',
    950: '#000000',
  },
}

SCSS

$custom: #673c30;
$custom-light: #957268;
$custom-dark: #000000;

JSON

{
  "hex": "#673c30",
  "rgb": {
    "r": 103,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 13.091,
    "s": 36.424,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40512,
    "c": 0.06429,
    "h": 36.4
  },
  "luminance": 0.06329
}

Semantic roles & 50–950 ramp

primary

#673C30

secondary

#5A8B98

accent

#B4CC5B

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0E0806

muted

#7E7B7A

Preview Lab

Preview with #673C30

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

Preview Lab → · Contrast checker → · Palette generator →