#643E11#643E11

#643E11 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.0% C 0.078 H 65.9°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#643E11
RGB	rgb(100, 62, 17)
HSL	hsl(33, 71%, 23%)
HSV	hsv(33, 83%, 39%)
CMYK	cmyk(0%, 38%, 83%, 60.8%)
CIE-LAB	lab(29.90, 12.53, 32.81)
CIE-LCH	lch(29.90, 35.12, 69.10°)
OKLab	oklab(40.03% 0.0321 0.0716)
OKLCH	oklch(40.03% 0.078 65.9)
XYZ	xyz(7.0799, 6.1957, 1.3532)
Luminance	0.0619 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E11 #113764

analogous

#641411 #643E11 #606411

triadic

#643E11 #11643E #3E1164

tetradic

#643E11 #116414 #113764 #641160

square

#643E11 #116414 #113764 #641160

split-complementary

#643E11 #116064 #141164

monochromatic

#1A1004 #301E08 #643E11 #985E1A #CD7F23

Accessibility & contrast

On white

9.38

#643E11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643E11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E11

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E11	#FFFFFF	#000000	##FFFFFF
##643E11	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A410A

Deuteranopia (green-blind)

#534A12

Tritanopia (blue-blind)

#6E3535

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643e11;
/* rgb */ color: rgb(100, 62, 17);
/* oklch */ color: oklch(40.0% 0.078 65.9);

Tailwind

colors: {
  custom: {
    50: '#957353',
    500: '#643e11',
    950: '#000000',
  },
}

SCSS

$custom: #643e11;
$custom-light: #957353;
$custom-dark: #000000;

JSON

{
  "hex": "#643e11",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 17
  },
  "hsl": {
    "h": 32.53,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.4003,
    "c": 0.07846,
    "h": 65.9
  },
  "luminance": 0.06195
}

Semantic roles & 50–950 ramp

primary

#643E11

secondary

#35649C

accent

#8CEE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #643E11

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

Preview Lab → · Contrast checker → · Palette generator →