#673F33#673F33

#673F33 is a dark, muted red. Relative luminance 0.067; OKLCH L 41.2% C 0.060 H 37.5°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#673F33
RGB	rgb(103, 63, 51)
HSL	hsl(14, 34%, 30%)
HSV	hsv(14, 50%, 40%)
CMYK	cmyk(0%, 38.8%, 50.5%, 59.6%)
CIE-LAB	lab(31.06, 15.98, 14.65)
CIE-LCH	lch(31.06, 21.68, 42.52°)
OKLab	oklab(41.17% 0.0475 0.0364)
OKLCH	oklch(41.17% 0.06 37.5)
XYZ	xyz(7.9690, 6.6783, 4.0007)
Luminance	0.0668 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673F33 #335B67

analogous

#673341 #673F33 #675933

triadic

#673F33 #33673F #3F3367

tetradic

#673F33 #416733 #335B67 #593367

square

#673F33 #416733 #335B67 #593367

split-complementary

#673F33 #336759 #334167

monochromatic

#150D0A #3E261F #673F33 #905847 #B27563

Accessibility & contrast

On white

8.99

#673F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#673F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F33

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673F33	#FFFFFF	#000000	##FFFFFF
##673F33	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494432

Deuteranopia (green-blind)

#524C33

Tritanopia (blue-blind)

#70393C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #673f33;
/* rgb */ color: rgb(103, 63, 51);
/* oklch */ color: oklch(41.2% 0.060 37.5);

Tailwind

colors: {
  custom: {
    50: '#95746a',
    500: '#673f33',
    950: '#000000',
  },
}

SCSS

$custom: #673f33;
$custom-light: #95746a;
$custom-dark: #000000;

JSON

{
  "hex": "#673f33",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 13.846,
    "s": 33.766,
    "l": 30.196
  },
  "oklch": {
    "l": 0.41173,
    "c": 0.05987,
    "h": 37.5
  },
  "luminance": 0.06678
}

Semantic roles & 50–950 ramp

primary

#673F33

secondary

#5E8B98

accent

#B1CA5E

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #673F33

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

Preview Lab → · Contrast checker → · Palette generator →