#673D3A#673D3A

#673D3A is a dark, muted red. Relative luminance 0.065; OKLCH L 40.9% C 0.060 H 24.4°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#673D3A
RGB	rgb(103, 61, 58)
HSL	hsl(4, 28%, 32%)
HSV	hsv(4, 44%, 40%)
CMYK	cmyk(0%, 40.8%, 43.7%, 59.6%)
CIE-LAB	lab(30.71, 18.05, 9.68)
CIE-LCH	lch(30.71, 20.48, 28.21°)
OKLab	oklab(40.95% 0.0544 0.0247)
OKLCH	oklch(40.95% 0.06 24.4)
XYZ	xyz(8.0264, 6.5272, 4.8393)
Luminance	0.0653 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673D3A #3A6467

analogous

#673A4E #673D3A #67543A

triadic

#673D3A #3A673D #3D3A67

tetradic

#673D3A #4E673A #3A6467 #543A67

square

#673D3A #4E673A #3A6467 #543A67

split-complementary

#673D3A #3A6754 #3A4E67

monochromatic

#190F0E #402624 #673D3A #8E5450 #AD726E

Accessibility & contrast

On white

9.11

#673D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#673D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673D3A

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673D3A	#FFFFFF	#000000	##FFFFFF
##673D3A	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46433A

Deuteranopia (green-blind)

#504C39

Tritanopia (blue-blind)

#6F383C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673d3a;
/* rgb */ color: rgb(103, 61, 58);
/* oklch */ color: oklch(40.9% 0.060 24.4);

Tailwind

colors: {
  custom: {
    50: '#947370',
    500: '#673d3a',
    950: '#000000',
  },
}

SCSS

$custom: #673d3a;
$custom-light: #947370;
$custom-dark: #000000;

JSON

{
  "hex": "#673d3a",
  "rgb": {
    "r": 103,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 4,
    "s": 27.95,
    "l": 31.569
  },
  "oklch": {
    "l": 0.4095,
    "c": 0.05979,
    "h": 24.4
  },
  "luminance": 0.06527
}

Semantic roles & 50–950 ramp

primary

#673D3A

secondary

#669497

accent

#BEC464

background

#F9F7F6

surface

#F2EDEC

border

#CCC8C7

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #673D3A

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

Preview Lab → · Contrast checker → · Palette generator →