#643D19#643D19

#643D19 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.074 H 60.6°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#643D19
RGB	rgb(100, 61, 25)
HSL	hsl(29, 60%, 25%)
HSV	hsv(29, 75%, 39%)
CMYK	cmyk(0%, 39%, 75%, 60.8%)
CIE-LAB	lab(29.71, 13.56, 28.56)
CIE-LCH	lch(29.71, 31.62, 64.60°)
OKLab	oklab(39.9% 0.0364 0.0645)
OKLCH	oklch(39.9% 0.074 60.6)
XYZ	xyz(7.1003, 6.1177, 1.7264)
Luminance	0.0612 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D19 #194064

analogous

#64191B #643D19 #646319

triadic

#643D19 #19643D #3D1964

tetradic

#643D19 #1B6419 #194064 #631964

square

#643D19 #1B6419 #194064 #631964

split-complementary

#643D19 #196463 #191B64

monochromatic

#180F06 #331F0D #643D19 #955B25 #C67931

Accessibility & contrast

On white

9.44

#643D19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643D19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D19

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D19	#FFFFFF	#000000	##FFFFFF
##643D19	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494115

Deuteranopia (green-blind)

#524919

Tritanopia (blue-blind)

#6E3435

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d19;
/* rgb */ color: rgb(100, 61, 25);
/* oklch */ color: oklch(39.9% 0.074 60.6);

Tailwind

colors: {
  custom: {
    50: '#947257',
    500: '#643d19',
    950: '#000000',
  },
}

SCSS

$custom: #643d19;
$custom-light: #947257;
$custom-dark: #000000;

JSON

{
  "hex": "#643d19",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 25
  },
  "hsl": {
    "h": 28.8,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.39904,
    "c": 0.07404,
    "h": 60.6
  },
  "luminance": 0.06117
}

Semantic roles & 50–950 ramp

primary

#643D19

secondary

#3F6E9A

accent

#97E345

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643D19

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

Preview Lab → · Contrast checker → · Palette generator →