#643610#643610

#643610 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.4% C 0.082 H 55.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#643610
RGB	rgb(100, 54, 16)
HSL	hsl(27, 72%, 23%)
HSV	hsv(27, 84%, 39%)
CMYK	cmyk(0%, 46%, 84%, 60.8%)
CIE-LAB	lab(27.81, 17.40, 31.29)
CIE-LCH	lch(27.81, 35.80, 60.92°)
OKLab	oklab(38.41% 0.0463 0.0681)
OKLCH	oklch(38.41% 0.082 55.8)
XYZ	xyz(6.6688, 5.3858, 1.1785)
Luminance	0.0539 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643610 #103E64

analogous

#641014 #643610 #646010

triadic

#643610 #106436 #361064

tetradic

#643610 #146410 #103E64 #601064

square

#643610 #146410 #103E64 #601064

split-complementary

#643610 #106460 #101464

monochromatic

#1A0E04 #2F1A08 #643610 #995218 #CE6F21

Accessibility & contrast

On white

10.11

#643610 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#643610 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643610

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643610	#FFFFFF	#000000	##FFFFFF
##643610	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B0A

Deuteranopia (green-blind)

#4F4610

Tritanopia (blue-blind)

#6E2C2E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643610;
/* rgb */ color: rgb(100, 54, 16);
/* oklch */ color: oklch(38.4% 0.082 55.8);

Tailwind

colors: {
  custom: {
    50: '#956d51',
    500: '#643610',
    950: '#000000',
  },
}

SCSS

$custom: #643610;
$custom-light: #956d51;
$custom-dark: #000000;

JSON

{
  "hex": "#643610",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 16
  },
  "hsl": {
    "h": 27.143,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.38409,
    "c": 0.08233,
    "h": 55.8
  },
  "luminance": 0.05385
}

Semantic roles & 50–950 ramp

primary

#643610

secondary

#336D9D

accent

#9DEF39

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643610

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

Preview Lab → · Contrast checker → · Palette generator →