#643B25#643B25

#643B25 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.7% C 0.067 H 48.3°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#643B25
RGB	rgb(100, 59, 37)
HSL	hsl(21, 46%, 27%)
HSV	hsv(21, 63%, 39%)
CMYK	cmyk(0%, 41%, 63%, 60.8%)
CIE-LAB	lab(29.34, 15.68, 21.13)
CIE-LCH	lch(29.34, 26.31, 53.44°)
OKLab	oklab(39.67% 0.0448 0.0502)
OKLCH	oklch(39.67% 0.067 48.3)
XYZ	xyz(7.1539, 5.9715, 2.5258)
Luminance	0.0597 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B25 #254E64

analogous

#64252F #643B25 #645B25

triadic

#643B25 #25643B #3B2564

tetradic

#643B25 #2F6425 #254E64 #5B2564

square

#643B25 #2F6425 #254E64 #5B2564

split-complementary

#643B25 #25645B #252F64

monochromatic

#160D08 #372114 #643B25 #915536 #BB7048

Accessibility & contrast

On white

9.57

#643B25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#643B25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B25

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B25	#FFFFFF	#000000	##FFFFFF
##643B25	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464023

Deuteranopia (green-blind)

#504925

Tritanopia (blue-blind)

#6D3336

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643b25;
/* rgb */ color: rgb(100, 59, 37);
/* oklch */ color: oklch(39.7% 0.067 48.3);

Tailwind

colors: {
  custom: {
    50: '#937160',
    500: '#643b25',
    950: '#000000',
  },
}

SCSS

$custom: #643b25;
$custom-light: #937160;
$custom-dark: #000000;

JSON

{
  "hex": "#643b25",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 37
  },
  "hsl": {
    "h": 20.952,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.39671,
    "c": 0.06733,
    "h": 48.3
  },
  "luminance": 0.05971
}

Semantic roles & 50–950 ramp

primary

#643B25

secondary

#4E7E97

accent

#A8D652

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0704

muted

#7E7A79

Preview Lab

Preview with #643B25

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

Preview Lab → · Contrast checker → · Palette generator →