#643D2E#643D2E

#643D2E is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.2% C 0.060 H 41.7°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#643D2E
RGB	rgb(100, 61, 46)
HSL	hsl(17, 37%, 29%)
HSV	hsv(17, 54%, 39%)
CMYK	cmyk(0%, 39%, 54%, 60.8%)
CIE-LAB	lab(30.02, 15.30, 16.37)
CIE-LCH	lch(30.02, 22.41, 46.93°)
OKLab	oklab(40.25% 0.0451 0.0402)
OKLCH	oklch(40.25% 0.06 41.7)
XYZ	xyz(7.4179, 6.2447, 3.3989)
Luminance	0.0624 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D2E #2E5564

analogous

#642E3A #643D2E #64582E

triadic

#643D2E #2E643D #3D2E64

tetradic

#643D2E #3A642E #2E5564 #582E64

square

#643D2E #3A642E #2E5564 #582E64

split-complementary

#643D2E #2E6458 #2E3A64

monochromatic

#150D0A #3A231B #643D2E #8E5741 #B3725A

Accessibility & contrast

On white

9.34

#643D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D2E

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D2E	#FFFFFF	#000000	##FFFFFF
##643D2E	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47422D

Deuteranopia (green-blind)

#504A2E

Tritanopia (blue-blind)

#6D3639

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643d2e;
/* rgb */ color: rgb(100, 61, 46);
/* oklch */ color: oklch(40.2% 0.060 41.7);

Tailwind

colors: {
  custom: {
    50: '#927367',
    500: '#643d2e',
    950: '#000000',
  },
}

SCSS

$custom: #643d2e;
$custom-light: #927367;
$custom-dark: #000000;

JSON

{
  "hex": "#643d2e",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 46
  },
  "hsl": {
    "h": 16.667,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40248,
    "c": 0.06039,
    "h": 41.7
  },
  "luminance": 0.06244
}

Semantic roles & 50–950 ramp

primary

#643D2E

secondary

#588596

accent

#ADCD5B

background

#F9F6F6

surface

#F1ECEB

border

#CBC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643D2E

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

Preview Lab → · Contrast checker → · Palette generator →