#673D3E#673D3E

#673D3E is a dark, muted red. Relative luminance 0.066; OKLCH L 41.1% C 0.059 H 18.4°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#673D3E
RGB	rgb(103, 61, 62)
HSL	hsl(359, 26%, 32%)
HSV	hsv(359, 41%, 40%)
CMYK	cmyk(0%, 40.8%, 39.8%, 59.6%)
CIE-LAB	lab(30.81, 18.57, 7.24)
CIE-LCH	lch(30.81, 19.93, 21.29°)
OKLab	oklab(41.06% 0.0562 0.0187)
OKLCH	oklch(41.06% 0.059 18.4)
XYZ	xyz(8.1321, 6.5695, 5.3962)
Luminance	0.0657 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673D3E #3D6766

analogous

#673D53 #673D3E #67513D

triadic

#673D3E #3E673D #3D3E67

tetradic

#673D3E #53673D #3D6766 #513D67

square

#673D3E #53673D #3D6766 #513D67

split-complementary

#673D3E #3D6751 #3D5367

monochromatic

#1A0F10 #412627 #673D3E #8D5455 #AC7374

Accessibility & contrast

On white

9.08

#673D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#673D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673D3E

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673D3E	#FFFFFF	#000000	##FFFFFF
##673D3E	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45443E

Deuteranopia (green-blind)

#4F4C3D

Tritanopia (blue-blind)

#6F383E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673d3e;
/* rgb */ color: rgb(103, 61, 62);
/* oklch */ color: oklch(41.1% 0.059 18.4);

Tailwind

colors: {
  custom: {
    50: '#947373',
    500: '#673d3e',
    950: '#000000',
  },
}

SCSS

$custom: #673d3e;
$custom-light: #947373;
$custom-dark: #000000;

JSON

{
  "hex": "#673d3e",
  "rgb": {
    "r": 103,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 358.571,
    "s": 25.61,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4106,
    "c": 0.05928,
    "h": 18.4
  },
  "luminance": 0.06569
}

Semantic roles & 50–950 ramp

primary

#673D3E

secondary

#699796

accent

#C2C066

background

#F9F7F6

surface

#F2EDEC

border

#CCC8C7

text

#0D0808

muted

#7E7B7B

Preview Lab

Preview with #673D3E

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

Preview Lab → · Contrast checker → · Palette generator →