#643724#643724

#643724 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.9% C 0.071 H 43.2°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#643724
RGB	rgb(100, 55, 36)
HSL	hsl(18, 47%, 27%)
HSV	hsv(18, 64%, 39%)
CMYK	cmyk(0%, 45%, 64%, 60.8%)
CIE-LAB	lab(28.30, 18.04, 20.47)
CIE-LCH	lch(28.30, 27.29, 48.61°)
OKLab	oklab(38.87% 0.0518 0.0487)
OKLCH	oklch(38.87% 0.071 43.2)
XYZ	xyz(6.9407, 5.5698, 2.3783)
Luminance	0.0557 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643724 #245164

analogous

#642431 #643724 #645724

triadic

#643724 #246437 #372464

tetradic

#643724 #316424 #245164 #572464

square

#643724 #316424 #245164 #572464

split-complementary

#643724 #246457 #243164

monochromatic

#170C08 #371E14 #643724 #915034 #BC6946

Accessibility & contrast

On white

9.93

#643724 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#643724 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643724

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643724	#FFFFFF	#000000	##FFFFFF
##643724	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433D22

Deuteranopia (green-blind)

#4E4724

Tritanopia (blue-blind)

#6D2F32

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643724;
/* rgb */ color: rgb(100, 55, 36);
/* oklch */ color: oklch(38.9% 0.071 43.2);

Tailwind

colors: {
  custom: {
    50: '#946e5f',
    500: '#643724',
    950: '#000000',
  },
}

SCSS

$custom: #643724;
$custom-light: #946e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#643724",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 36
  },
  "hsl": {
    "h": 17.813,
    "s": 47.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.38866,
    "c": 0.0711,
    "h": 43.2
  },
  "luminance": 0.05569
}

Semantic roles & 50–950 ramp

primary

#643724

secondary

#4C8197

accent

#AFD751

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #643724

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

Preview Lab → · Contrast checker → · Palette generator →