#643723#643723

#643723 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.8% C 0.072 H 44.1°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#643723
RGB	rgb(100, 55, 35)
HSL	hsl(18, 48%, 26%)
HSV	hsv(18, 65%, 39%)
CMYK	cmyk(0%, 45%, 65%, 60.8%)
CIE-LAB	lab(28.28, 17.96, 21.07)
CIE-LCH	lch(28.28, 27.69, 49.56°)
OKLab	oklab(38.85% 0.0514 0.0499)
OKLCH	oklch(38.85% 0.072 44.1)
XYZ	xyz(6.9256, 5.5638, 2.2990)
Luminance	0.0556 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643723 #235064

analogous

#642330 #643723 #645823

triadic

#643723 #236437 #372364

tetradic

#643723 #306423 #235064 #582364

square

#643723 #306423 #235064 #582364

split-complementary

#643723 #236458 #233064

monochromatic

#170C08 #371E13 #643723 #915033 #BE6944

Accessibility & contrast

On white

9.94

#643723 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#643723 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643723

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643723	#FFFFFF	#000000	##FFFFFF
##643723	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433D21

Deuteranopia (green-blind)

#4E4723

Tritanopia (blue-blind)

#6D2F32

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643723;
/* rgb */ color: rgb(100, 55, 35);
/* oklch */ color: oklch(38.8% 0.072 44.1);

Tailwind

colors: {
  custom: {
    50: '#946e5e',
    500: '#643723',
    950: '#000000',
  },
}

SCSS

$custom: #643723;
$custom-light: #946e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#643723",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 18.462,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.38848,
    "c": 0.07163,
    "h": 44.1
  },
  "luminance": 0.05563
}

Semantic roles & 50–950 ramp

primary

#643723

secondary

#4B8098

accent

#AED850

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #643723

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

Preview Lab → · Contrast checker → · Palette generator →