#643F24#643F24

#643F24 is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.066 H 55.8°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#643F24
RGB	rgb(100, 63, 36)
HSL	hsl(25, 47%, 27%)
HSV	hsv(25, 64%, 39%)
CMYK	cmyk(0%, 37%, 64%, 60.8%)
CIE-LAB	lab(30.38, 13.12, 23.01)
CIE-LCH	lch(30.38, 26.48, 60.31°)
OKLab	oklab(40.47% 0.0369 0.0543)
OKLCH	oklch(40.47% 0.066 55.8)
XYZ	xyz(7.3520, 6.3924, 2.5154)
Luminance	0.0639 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F24 #244964

analogous

#642429 #643F24 #645F24

triadic

#643F24 #24643F #3F2464

tetradic

#643F24 #296424 #244964 #5F2464

square

#643F24 #296424 #244964 #5F2464

split-complementary

#643F24 #24645F #242964

monochromatic

#170E08 #372314 #643F24 #915B34 #BC7846

Accessibility & contrast

On white

9.22

#643F24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#643F24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F24

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F24	#FFFFFF	#000000	##FFFFFF
##643F24	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4322

Deuteranopia (green-blind)

#534B24

Tritanopia (blue-blind)

#6D3839

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643f24;
/* rgb */ color: rgb(100, 63, 36);
/* oklch */ color: oklch(40.5% 0.066 55.8);

Tailwind

colors: {
  custom: {
    50: '#93745f',
    500: '#643f24',
    950: '#000000',
  },
}

SCSS

$custom: #643f24;
$custom-light: #93745f;
$custom-dark: #000000;

JSON

{
  "hex": "#643f24",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 36
  },
  "hsl": {
    "h": 25.313,
    "s": 47.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40471,
    "c": 0.06565,
    "h": 55.8
  },
  "luminance": 0.06392
}

Semantic roles & 50–950 ramp

primary

#643F24

secondary

#4C7897

accent

#9ED751

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643F24

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

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