#643511#643511

#643511 is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.2% C 0.082 H 54.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#643511
RGB	rgb(100, 53, 17)
HSL	hsl(26, 71%, 23%)
HSV	hsv(26, 83%, 39%)
CMYK	cmyk(0%, 47%, 83%, 60.8%)
CIE-LAB	lab(27.56, 18.05, 30.56)
CIE-LCH	lch(27.56, 35.49, 59.43°)
OKLab	oklab(38.22% 0.0484 0.0668)
OKLCH	oklch(38.22% 0.082 54)
XYZ	xyz(6.6304, 5.2967, 1.2034)
Luminance	0.0530 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643511 #114064

analogous

#641117 #643511 #645E11

triadic

#643511 #116435 #351164

tetradic

#643511 #176411 #114064 #5E1164

square

#643511 #176411 #114064 #5E1164

split-complementary

#643511 #11645E #111764

monochromatic

#1A0E04 #301908 #643511 #98511A #CD6C23

Accessibility & contrast

On white

10.20

#643511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#643511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643511

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643511	#FFFFFF	#000000	##FFFFFF
##643511	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B0C

Deuteranopia (green-blind)

#4E4511

Tritanopia (blue-blind)

#6E2B2E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643511;
/* rgb */ color: rgb(100, 53, 17);
/* oklch */ color: oklch(38.2% 0.082 54.0);

Tailwind

colors: {
  custom: {
    50: '#956c52',
    500: '#643511',
    950: '#000000',
  },
}

SCSS

$custom: #643511;
$custom-light: #956c52;
$custom-dark: #000000;

JSON

{
  "hex": "#643511",
  "rgb": {
    "r": 100,
    "g": 53,
    "b": 17
  },
  "hsl": {
    "h": 26.024,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.38225,
    "c": 0.08249,
    "h": 54
  },
  "luminance": 0.05296
}

Semantic roles & 50–950 ramp

primary

#643511

secondary

#356F9C

accent

#A0EE3A

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643511

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

Preview Lab → · Contrast checker → · Palette generator →