#643913#643913

#643913 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.0% C 0.079 H 58.2°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#643913
RGB	rgb(100, 57, 19)
HSL	hsl(28, 68%, 23%)
HSV	hsv(28, 81%, 39%)
CMYK	cmyk(0%, 43%, 81%, 60.8%)
CIE-LAB	lab(28.60, 15.70, 30.57)
CIE-LCH	lch(28.60, 34.37, 62.81°)
OKLab	oklab(39.03% 0.0418 0.0673)
OKLCH	oklch(39.03% 0.079 58.2)
XYZ	xyz(6.8368, 5.6833, 1.3529)
Luminance	0.0568 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643913 #133E64

analogous

#641316 #643913 #646113

triadic

#643913 #136439 #391364

tetradic

#643913 #166413 #133E64 #611364

square

#643913 #166413 #133E64 #611364

split-complementary

#643913 #136461 #131664

monochromatic

#1A0F05 #311C09 #643913 #97561D #CB7427

Accessibility & contrast

On white

9.83

#643913 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#643913 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643913

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643913	#FFFFFF	#000000	##FFFFFF
##643913	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D0E

Deuteranopia (green-blind)

#504713

Tritanopia (blue-blind)

#6E3031

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643913;
/* rgb */ color: rgb(100, 57, 19);
/* oklch */ color: oklch(39.0% 0.079 58.2);

Tailwind

colors: {
  custom: {
    50: '#956f53',
    500: '#643913',
    950: '#000000',
  },
}

SCSS

$custom: #643913;
$custom-light: #956f53;
$custom-dark: #000000;

JSON

{
  "hex": "#643913",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 19
  },
  "hsl": {
    "h": 28.148,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.39028,
    "c": 0.07925,
    "h": 58.2
  },
  "luminance": 0.05683
}

Semantic roles & 50–950 ramp

primary

#643913

secondary

#376C9C

accent

#99EB3D

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643913

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

Preview Lab → · Contrast checker → · Palette generator →