#673B45#673B45

#673B45 is a dark, moderate red. Relative luminance 0.064; OKLCH L 40.9% C 0.063 H 5.6°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#673B45
RGB	rgb(103, 59, 69)
HSL	hsl(346, 27%, 32%)
HSV	hsv(346, 43%, 40%)
CMYK	cmyk(0%, 42.7%, 33%, 59.6%)
CIE-LAB	lab(30.50, 20.79, 2.25)
CIE-LCH	lch(30.50, 20.91, 6.19°)
OKLab	oklab(40.89% 0.063 0.0062)
OKLCH	oklch(40.89% 0.063 5.6)
XYZ	xyz(8.2319, 6.4418, 6.4389)
Luminance	0.0644 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673B45 #3B675D

analogous

#673B5B #673B45 #67473B

triadic

#673B45 #45673B #3B4567

tetradic

#673B45 #5B673B #3B675D #473B67

square

#673B45 #5B673B #3B675D #473B67

split-complementary

#673B45 #3B6747 #3B5B67

monochromatic

#190E11 #40252B #673B45 #8E515F #AD707D

Accessibility & contrast

On white

9.18

#673B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#673B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B45

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673B45	#FFFFFF	#000000	##FFFFFF
##673B45	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424345

Deuteranopia (green-blind)

#4D4B44

Tritanopia (blue-blind)

#6E373F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673b45;
/* rgb */ color: rgb(103, 59, 69);
/* oklch */ color: oklch(40.9% 0.063 5.6);

Tailwind

colors: {
  custom: {
    50: '#947278',
    500: '#673b45',
    950: '#000000',
  },
}

SCSS

$custom: #673b45;
$custom-light: #947278;
$custom-dark: #000000;

JSON

{
  "hex": "#673b45",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 69
  },
  "hsl": {
    "h": 346.364,
    "s": 27.16,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40891,
    "c": 0.06329,
    "h": 5.6
  },
  "luminance": 0.06441
}

Semantic roles & 50–950 ramp

primary

#673B45

secondary

#67978C

accent

#C3AE64

background

#F9F6F7

surface

#F2ECED

border

#CCC7C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #673B45

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

Preview Lab → · Contrast checker → · Palette generator →