#673B3E#673B3E

#673B3E is a dark, moderate red. Relative luminance 0.064; OKLCH L 40.7% C 0.062 H 15.8°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#673B3E
RGB	rgb(103, 59, 62)
HSL	hsl(356, 27%, 32%)
HSV	hsv(356, 43%, 40%)
CMYK	cmyk(0%, 42.7%, 39.8%, 59.6%)
CIE-LAB	lab(30.30, 19.79, 6.53)
CIE-LCH	lch(30.30, 20.84, 18.26°)
OKLab	oklab(40.67% 0.06 0.017)
OKLCH	oklch(40.67% 0.062 15.8)
XYZ	xyz(8.0273, 6.3600, 5.3613)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673B3E #3B6764

analogous

#673B54 #673B3E #674E3B

triadic

#673B3E #3E673B #3B3E67

tetradic

#673B3E #54673B #3B6764 #4E3B67

square

#673B3E #54673B #3B6764 #4E3B67

split-complementary

#673B3E #3B674E #3B5467

monochromatic

#190E0F #402527 #673B3E #8E5155 #AD7074

Accessibility & contrast

On white

9.24

#673B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#673B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B3E

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673B3E	#FFFFFF	#000000	##FFFFFF
##673B3E	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43423E

Deuteranopia (green-blind)

#4E4B3D

Tritanopia (blue-blind)

#6F363C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #673b3e;
/* rgb */ color: rgb(103, 59, 62);
/* oklch */ color: oklch(40.7% 0.062 15.8);

Tailwind

colors: {
  custom: {
    50: '#947173',
    500: '#673b3e',
    950: '#000000',
  },
}

SCSS

$custom: #673b3e;
$custom-light: #947173;
$custom-dark: #000000;

JSON

{
  "hex": "#673b3e",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 62
  },
  "hsl": {
    "h": 355.909,
    "s": 27.16,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40675,
    "c": 0.06231,
    "h": 15.8
  },
  "luminance": 0.06359
}

Semantic roles & 50–950 ramp

primary

#673B3E

secondary

#679794

accent

#C3BD64

background

#F9F6F6

surface

#F2ECEC

border

#CCC7C7

text

#0D0808

muted

#7E7B7B

Preview Lab

Preview with #673B3E

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

Preview Lab → · Contrast checker → · Palette generator →