#643D11#643D11

#643D11 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.8% C 0.079 H 64.5°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#643D11
RGB	rgb(100, 61, 17)
HSL	hsl(32, 71%, 23%)
HSV	hsv(32, 83%, 39%)
CMYK	cmyk(0%, 39%, 83%, 60.8%)
CIE-LAB	lab(29.63, 13.15, 32.56)
CIE-LCH	lch(29.63, 35.11, 68.01°)
OKLab	oklab(39.82% 0.0339 0.0711)
OKLCH	oklch(39.82% 0.079 64.5)
XYZ	xyz(7.0260, 6.0880, 1.3353)
Luminance	0.0609 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D11 #113864

analogous

#641311 #643D11 #616411

triadic

#643D11 #11643D #3D1164

tetradic

#643D11 #116413 #113864 #641161

square

#643D11 #116413 #113864 #641161

split-complementary

#643D11 #116164 #131164

monochromatic

#1A1004 #301D08 #643D11 #985D1A #CD7D23

Accessibility & contrast

On white

9.47

#643D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D11

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D11	#FFFFFF	#000000	##FFFFFF
##643D11	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49400A

Deuteranopia (green-blind)

#534912

Tritanopia (blue-blind)

#6E3434

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d11;
/* rgb */ color: rgb(100, 61, 17);
/* oklch */ color: oklch(39.8% 0.079 64.5);

Tailwind

colors: {
  custom: {
    50: '#957252',
    500: '#643d11',
    950: '#000000',
  },
}

SCSS

$custom: #643d11;
$custom-light: #957252;
$custom-dark: #000000;

JSON

{
  "hex": "#643d11",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 17
  },
  "hsl": {
    "h": 31.807,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.39823,
    "c": 0.07873,
    "h": 64.5
  },
  "luminance": 0.06087
}

Semantic roles & 50–950 ramp

primary

#643D11

secondary

#35659C

accent

#8EEE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #643D11

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

Preview Lab → · Contrast checker → · Palette generator →