#643D13#643D13

#643D13 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.8% C 0.078 H 63.7°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#643D13
RGB	rgb(100, 61, 19)
HSL	hsl(31, 68%, 23%)
HSV	hsv(31, 81%, 39%)
CMYK	cmyk(0%, 39%, 81%, 60.8%)
CIE-LAB	lab(29.65, 13.24, 31.61)
CIE-LCH	lch(29.65, 34.27, 67.28°)
OKLab	oklab(39.84% 0.0345 0.0696)
OKLCH	oklch(39.84% 0.078 63.7)
XYZ	xyz(7.0424, 6.0945, 1.4214)
Luminance	0.0609 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D13 #133A64

analogous

#641413 #643D13 #626413

triadic

#643D13 #13643D #3D1364

tetradic

#643D13 #136414 #133A64 #641362

square

#643D13 #136414 #133A64 #641362

split-complementary

#643D13 #136264 #141364

monochromatic

#1A1005 #311E09 #643D13 #975C1D #CB7C27

Accessibility & contrast

On white

9.46

#643D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D13

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D13	#FFFFFF	#000000	##FFFFFF
##643D13	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49400D

Deuteranopia (green-blind)

#534914

Tritanopia (blue-blind)

#6E3434

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d13;
/* rgb */ color: rgb(100, 61, 19);
/* oklch */ color: oklch(39.8% 0.078 63.7);

Tailwind

colors: {
  custom: {
    50: '#947254',
    500: '#643d13',
    950: '#000000',
  },
}

SCSS

$custom: #643d13;
$custom-light: #947254;
$custom-dark: #000000;

JSON

{
  "hex": "#643d13",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 19
  },
  "hsl": {
    "h": 31.111,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.39841,
    "c": 0.07764,
    "h": 63.7
  },
  "luminance": 0.06094
}

Semantic roles & 50–950 ramp

primary

#643D13

secondary

#37689C

accent

#91EB3D

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643D13

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

Preview Lab → · Contrast checker → · Palette generator →