#673B34#673B34

#673B34 is a dark, moderate red. Relative luminance 0.063; OKLCH L 40.4% C 0.064 H 29.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#673B34
RGB	rgb(103, 59, 52)
HSL	hsl(8, 33%, 30%)
HSV	hsv(8, 50%, 40%)
CMYK	cmyk(0%, 42.7%, 49.5%, 59.6%)
CIE-LAB	lab(30.06, 18.54, 12.67)
CIE-LCH	lch(30.06, 22.46, 34.34°)
OKLab	oklab(40.41% 0.0554 0.0318)
OKLCH	oklch(40.41% 0.064 29.8)
XYZ	xyz(7.7778, 6.2601, 4.0468)
Luminance	0.0626 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673B34 #346067

analogous

#673446 #673B34 #675434

triadic

#673B34 #34673B #3B3467

tetradic

#673B34 #466734 #346067 #543467

square

#673B34 #466734 #346067 #543467

split-complementary

#673B34 #346754 #344667

monochromatic

#160C0B #3E241F #673B34 #905249 #B16F64

Accessibility & contrast

On white

9.33

#673B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#673B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B34

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673B34	#FFFFFF	#000000	##FFFFFF
##673B34	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454133

Deuteranopia (green-blind)

#504A33

Tritanopia (blue-blind)

#703539

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #673b34;
/* rgb */ color: rgb(103, 59, 52);
/* oklch */ color: oklch(40.4% 0.064 29.8);

Tailwind

colors: {
  custom: {
    50: '#95716b',
    500: '#673b34',
    950: '#000000',
  },
}

SCSS

$custom: #673b34;
$custom-light: #95716b;
$custom-dark: #000000;

JSON

{
  "hex": "#673b34",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 8.235,
    "s": 32.903,
    "l": 30.392
  },
  "oklch": {
    "l": 0.40409,
    "c": 0.06388,
    "h": 29.8
  },
  "luminance": 0.06259
}

Semantic roles & 50–950 ramp

primary

#673B34

secondary

#5F9098

accent

#BAC95F

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #673B34

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

Preview Lab → · Contrast checker → · Palette generator →