#673734#673734

#673734 is a dark, moderate red. Relative luminance 0.059; OKLCH L 39.7% C 0.069 H 24.4°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#673734
RGB	rgb(103, 55, 52)
HSL	hsl(4, 33%, 30%)
HSV	hsv(4, 50%, 40%)
CMYK	cmyk(0%, 46.6%, 49.5%, 59.6%)
CIE-LAB	lab(29.07, 20.96, 11.32)
CIE-LCH	lch(29.07, 23.82, 28.38°)
OKLab	oklab(39.65% 0.0628 0.0285)
OKLCH	oklch(39.65% 0.069 24.4)
XYZ	xyz(7.5800, 5.8646, 3.9809)
Luminance	0.0586 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673734 #346467

analogous

#67344A #673734 #675034

triadic

#673734 #346737 #373467

tetradic

#673734 #4A6734 #346467 #503467

square

#673734 #4A6734 #346467 #503467

split-complementary

#673734 #346750 #344A67

monochromatic

#160C0B #3E211F #673734 #904D49 #B16964

Accessibility & contrast

On white

9.66

#673734 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#673734 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673734

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673734	#FFFFFF	#000000	##FFFFFF
##673734	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423F34

Deuteranopia (green-blind)

#4D4833

Tritanopia (blue-blind)

#703036

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #673734;
/* rgb */ color: rgb(103, 55, 52);
/* oklch */ color: oklch(39.7% 0.069 24.4);

Tailwind

colors: {
  custom: {
    50: '#956f6b',
    500: '#673734',
    950: '#000000',
  },
}

SCSS

$custom: #673734;
$custom-light: #956f6b;
$custom-dark: #000000;

JSON

{
  "hex": "#673734",
  "rgb": {
    "r": 103,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 3.529,
    "s": 32.903,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39651,
    "c": 0.06902,
    "h": 24.4
  },
  "luminance": 0.05864
}

Semantic roles & 50–950 ramp

primary

#673734

secondary

#5F9498

accent

#C3C95F

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0E0706

muted

#7E7A7A

Preview Lab

Preview with #673734

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

Preview Lab → · Contrast checker → · Palette generator →