#673D35#673D35

#673D35 is a dark, moderate red. Relative luminance 0.065; OKLCH L 40.8% C 0.061 H 31.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#673D35
RGB	rgb(103, 61, 53)
HSL	hsl(10, 32%, 31%)
HSV	hsv(10, 49%, 40%)
CMYK	cmyk(0%, 40.8%, 48.5%, 59.6%)
CIE-LAB	lab(30.59, 17.44, 12.74)
CIE-LCH	lch(30.59, 21.60, 36.16°)
OKLab	oklab(40.82% 0.0522 0.032)
OKLCH	oklch(40.82% 0.061 31.5)
XYZ	xyz(7.9053, 6.4788, 4.2017)
Luminance	0.0648 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673D35 #355F67

analogous

#673546 #673D35 #675635

triadic

#673D35 #35673D #3D3567

tetradic

#673D35 #466735 #355F67 #563567

square

#673D35 #466735 #355F67 #563567

split-complementary

#673D35 #356756 #354667

monochromatic

#160D0B #3F2520 #673D35 #8F554A #B07266

Accessibility & contrast

On white

9.15

#673D35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#673D35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673D35

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673D35	#FFFFFF	#000000	##FFFFFF
##673D35	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474334

Deuteranopia (green-blind)

#514B34

Tritanopia (blue-blind)

#6F373B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673d35;
/* rgb */ color: rgb(103, 61, 53);
/* oklch */ color: oklch(40.8% 0.061 31.5);

Tailwind

colors: {
  custom: {
    50: '#95736c',
    500: '#673d35',
    950: '#000000',
  },
}

SCSS

$custom: #673d35;
$custom-light: #95736c;
$custom-dark: #000000;

JSON

{
  "hex": "#673d35",
  "rgb": {
    "r": 103,
    "g": 61,
    "b": 53
  },
  "hsl": {
    "h": 9.6,
    "s": 32.051,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40823,
    "c": 0.06117,
    "h": 31.5
  },
  "luminance": 0.06478
}

Semantic roles & 50–950 ramp

primary

#673D35

secondary

#608F98

accent

#B7C860

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #673D35

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

Preview Lab → · Contrast checker → · Palette generator →