#643C25#643C25

#643C25 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.067 H 49.9°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#643C25
RGB	rgb(100, 60, 37)
HSL	hsl(22, 46%, 27%)
HSV	hsv(22, 63%, 39%)
CMYK	cmyk(0%, 40%, 63%, 60.8%)
CIE-LAB	lab(29.60, 15.06, 21.45)
CIE-LCH	lch(29.60, 26.21, 54.94°)
OKLab	oklab(39.87% 0.043 0.051)
OKLCH	oklch(39.87% 0.067 49.9)
XYZ	xyz(7.2058, 6.0753, 2.5431)
Luminance	0.0607 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C25 #254D64

analogous

#64252E #643C25 #645C25

triadic

#643C25 #25643C #3C2564

tetradic

#643C25 #2E6425 #254D64 #5C2564

square

#643C25 #2E6425 #254D64 #5C2564

split-complementary

#643C25 #25645C #252E64

monochromatic

#160D08 #372114 #643C25 #915736 #BB7248

Accessibility & contrast

On white

9.48

#643C25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643C25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C25

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C25	#FFFFFF	#000000	##FFFFFF
##643C25	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474023

Deuteranopia (green-blind)

#514925

Tritanopia (blue-blind)

#6D3436

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c25;
/* rgb */ color: rgb(100, 60, 37);
/* oklch */ color: oklch(39.9% 0.067 49.9);

Tailwind

colors: {
  custom: {
    50: '#937260',
    500: '#643c25',
    950: '#000000',
  },
}

SCSS

$custom: #643c25;
$custom-light: #937260;
$custom-dark: #000000;

JSON

{
  "hex": "#643c25",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 37
  },
  "hsl": {
    "h": 21.905,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.39873,
    "c": 0.06664,
    "h": 49.9
  },
  "luminance": 0.06075
}

Semantic roles & 50–950 ramp

primary

#643C25

secondary

#4E7C97

accent

#A6D652

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643C25

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

Preview Lab → · Contrast checker → · Palette generator →