#643A19#643A19

#643A19 is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.3% C 0.075 H 56.2°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#643A19
RGB	rgb(100, 58, 25)
HSL	hsl(26, 60%, 25%)
HSV	hsv(26, 75%, 39%)
CMYK	cmyk(0%, 42%, 75%, 60.8%)
CIE-LAB	lab(28.92, 15.41, 27.71)
CIE-LCH	lch(28.92, 31.71, 60.91°)
OKLab	oklab(39.29% 0.0419 0.0627)
OKLCH	oklch(39.29% 0.075 56.2)
XYZ	xyz(6.9446, 5.8063, 1.6745)
Luminance	0.0581 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A19 #194364

analogous

#64191E #643A19 #646019

triadic

#643A19 #19643A #3A1964

tetradic

#643A19 #1E6419 #194364 #601964

square

#643A19 #1E6419 #194364 #601964

split-complementary

#643A19 #196460 #191E64

monochromatic

#180E06 #331E0D #643A19 #955625 #C67331

Accessibility & contrast

On white

9.72

#643A19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#643A19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A19

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A19	#FFFFFF	#000000	##FFFFFF
##643A19	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463E15

Deuteranopia (green-blind)

#504819

Tritanopia (blue-blind)

#6E3133

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a19;
/* rgb */ color: rgb(100, 58, 25);
/* oklch */ color: oklch(39.3% 0.075 56.2);

Tailwind

colors: {
  custom: {
    50: '#947057',
    500: '#643a19',
    950: '#000000',
  },
}

SCSS

$custom: #643a19;
$custom-light: #947057;
$custom-dark: #000000;

JSON

{
  "hex": "#643a19",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 25
  },
  "hsl": {
    "h": 26.4,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.39294,
    "c": 0.07538,
    "h": 56.2
  },
  "luminance": 0.05806
}

Semantic roles & 50–950 ramp

primary

#643A19

secondary

#3F729A

accent

#9DE345

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643A19

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

Preview Lab → · Contrast checker → · Palette generator →