#643311#643311

#643311 is a dark, moderate orange. Relative luminance 0.051; OKLCH L 37.8% C 0.084 H 51.6°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#643311
RGB	rgb(100, 51, 17)
HSL	hsl(25, 71%, 23%)
HSV	hsv(25, 83%, 39%)
CMYK	cmyk(0%, 49%, 83%, 60.8%)
CIE-LAB	lab(27.07, 19.26, 30.08)
CIE-LCH	lch(27.07, 35.71, 57.37°)
OKLab	oklab(37.84% 0.0521 0.0657)
OKLCH	oklch(37.84% 0.084 51.6)
XYZ	xyz(6.5411, 5.1182, 1.1737)
Luminance	0.0512 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643311 #114264

analogous

#641119 #643311 #645C11

triadic

#643311 #116433 #331164

tetradic

#643311 #196411 #114264 #5C1164

square

#643311 #196411 #114264 #5C1164

split-complementary

#643311 #11645C #111964

monochromatic

#1A0D04 #301808 #643311 #984E1A #CD6823

Accessibility & contrast

On white

10.38

#643311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#643311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643311

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643311	#FFFFFF	#000000	##FFFFFF
##643311	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41390C

Deuteranopia (green-blind)

#4D4410

Tritanopia (blue-blind)

#6E282C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #643311;
/* rgb */ color: rgb(100, 51, 17);
/* oklch */ color: oklch(37.8% 0.084 51.6);

Tailwind

colors: {
  custom: {
    50: '#956b51',
    500: '#643311',
    950: '#000000',
  },
}

SCSS

$custom: #643311;
$custom-light: #956b51;
$custom-dark: #000000;

JSON

{
  "hex": "#643311",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 17
  },
  "hsl": {
    "h": 24.578,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.37844,
    "c": 0.08384,
    "h": 51.6
  },
  "luminance": 0.05117
}

Semantic roles & 50–950 ramp

primary

#643311

secondary

#35729C

accent

#A4EE3A

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0602

muted

#7E7A78

Preview Lab

Preview with #643311

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

Preview Lab → · Contrast checker → · Palette generator →