#643516#643516

#643516 is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.080 H 51.3°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#643516
RGB	rgb(100, 53, 22)
HSL	hsl(24, 64%, 24%)
HSV	hsv(24, 78%, 39%)
CMYK	cmyk(0%, 47%, 78%, 60.8%)
CIE-LAB	lab(27.61, 18.30, 27.97)
CIE-LCH	lch(27.61, 33.42, 56.81°)
OKLab	oklab(38.28% 0.05 0.0625)
OKLCH	oklch(38.28% 0.08 51.3)
XYZ	xyz(6.6740, 5.3142, 1.4332)
Luminance	0.0531 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643516 #164564

analogous

#64161E #643516 #645C16

triadic

#643516 #166435 #351664

tetradic

#643516 #1E6416 #164564 #5C1664

square

#643516 #1E6416 #164564 #5C1664

split-complementary

#643516 #16645C #161E64

monochromatic

#190D06 #321A0B #643516 #965021 #C86A2C

Accessibility & contrast

On white

10.18

#643516 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#643516 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643516

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643516	#FFFFFF	#000000	##FFFFFF
##643516	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423B12

Deuteranopia (green-blind)

#4E4516

Tritanopia (blue-blind)

#6E2B2E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643516;
/* rgb */ color: rgb(100, 53, 22);
/* oklch */ color: oklch(38.3% 0.080 51.3);

Tailwind

colors: {
  custom: {
    50: '#956d55',
    500: '#643516',
    950: '#000000',
  },
}

SCSS

$custom: #643516;
$custom-light: #956d55;
$custom-dark: #000000;

JSON

{
  "hex": "#643516",
  "rgb": {
    "r": 100,
    "g": 53,
    "b": 22
  },
  "hsl": {
    "h": 23.846,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.38277,
    "c": 0.0801,
    "h": 51.3
  },
  "luminance": 0.05313
}

Semantic roles & 50–950 ramp

primary

#643516

secondary

#3B759B

accent

#A5E741

background

#F9F6F5

surface

#F2EBE8

border

#CCC6C4

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643516

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

Preview Lab → · Contrast checker → · Palette generator →