#643D24#643D24

#643D24 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.067 H 52.4°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#643D24
RGB	rgb(100, 61, 36)
HSL	hsl(23, 47%, 27%)
HSV	hsv(23, 64%, 39%)
CMYK	cmyk(0%, 39%, 64%, 60.8%)
CIE-LAB	lab(29.85, 14.36, 22.36)
CIE-LCH	lch(29.85, 26.58, 57.30°)
OKLab	oklab(40.06% 0.0407 0.0529)
OKLCH	oklch(40.06% 0.067 52.4)
XYZ	xyz(7.2432, 6.1748, 2.4791)
Luminance	0.0617 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D24 #244B64

analogous

#64242B #643D24 #645D24

triadic

#643D24 #24643D #3D2464

tetradic

#643D24 #2B6424 #244B64 #5D2464

square

#643D24 #2B6424 #244B64 #5D2464

split-complementary

#643D24 #24645D #242B64

monochromatic

#170E08 #372214 #643D24 #915834 #BC7446

Accessibility & contrast

On white

9.40

#643D24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643D24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D24

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D24	#FFFFFF	#000000	##FFFFFF
##643D24	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484122

Deuteranopia (green-blind)

#514A24

Tritanopia (blue-blind)

#6D3537

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d24;
/* rgb */ color: rgb(100, 61, 36);
/* oklch */ color: oklch(40.1% 0.067 52.4);

Tailwind

colors: {
  custom: {
    50: '#93725f',
    500: '#643d24',
    950: '#000000',
  },
}

SCSS

$custom: #643d24;
$custom-light: #93725f;
$custom-dark: #000000;

JSON

{
  "hex": "#643d24",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 36
  },
  "hsl": {
    "h": 23.438,
    "s": 47.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40059,
    "c": 0.06669,
    "h": 52.4
  },
  "luminance": 0.06174
}

Semantic roles & 50–950 ramp

primary

#643D24

secondary

#4C7A97

accent

#A3D751

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643D24

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

Preview Lab → · Contrast checker → · Palette generator →