#643611#643611

#643611 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.4% C 0.082 H 55.3°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#643611
RGB	rgb(100, 54, 17)
HSL	hsl(27, 71%, 23%)
HSV	hsv(27, 83%, 39%)
CMYK	cmyk(0%, 46%, 83%, 60.8%)
CIE-LAB	lab(27.82, 17.45, 30.80)
CIE-LCH	lch(27.82, 35.40, 60.48°)
OKLab	oklab(38.42% 0.0466 0.0673)
OKLCH	oklch(38.42% 0.082 55.3)
XYZ	xyz(6.6765, 5.3889, 1.2188)
Luminance	0.0539 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643611 #113F64

analogous

#641115 #643611 #645F11

triadic

#643611 #116436 #361164

tetradic

#643611 #156411 #113F64 #5F1164

square

#643611 #156411 #113F64 #5F1164

split-complementary

#643611 #11645F #111564

monochromatic

#1A0E04 #301A08 #643611 #98521A #CD6E23

Accessibility & contrast

On white

10.11

#643611 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#643611 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643611

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643611	#FFFFFF	#000000	##FFFFFF
##643611	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)

#443B0C

Deuteranopia (green-blind)

#4F4611

Tritanopia (blue-blind)

#6E2C2E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643611;
/* rgb */ color: rgb(100, 54, 17);
/* oklch */ color: oklch(38.4% 0.082 55.3);

Tailwind

colors: {
  custom: {
    50: '#956d52',
    500: '#643611',
    950: '#000000',
  },
}

SCSS

$custom: #643611;
$custom-light: #956d52;
$custom-dark: #000000;

JSON

{
  "hex": "#643611",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 17
  },
  "hsl": {
    "h": 26.747,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.38418,
    "c": 0.08187,
    "h": 55.3
  },
  "luminance": 0.05388
}

Semantic roles & 50–950 ramp

primary

#643611

secondary

#356E9C

accent

#9EEE3A

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643611

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

Preview Lab → · Contrast checker → · Palette generator →