#643C23#643C23

#643C23 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.8% C 0.068 H 51.7°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#643C23
RGB	rgb(100, 60, 35)
HSL	hsl(23, 48%, 26%)
HSV	hsv(23, 65%, 39%)
CMYK	cmyk(0%, 40%, 65%, 60.8%)
CIE-LAB	lab(29.57, 14.89, 22.63)
CIE-LCH	lch(29.57, 27.09, 56.66°)
OKLab	oklab(39.84% 0.0421 0.0533)
OKLCH	oklch(39.84% 0.068 51.7)
XYZ	xyz(7.1753, 6.0631, 2.3822)
Luminance	0.0606 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C23 #234B64

analogous

#64232B #643C23 #645D23

triadic

#643C23 #23643C #3C2364

tetradic

#643C23 #2B6423 #234B64 #5D2364

square

#643C23 #2B6423 #234B64 #5D2364

split-complementary

#643C23 #23645D #232B64

monochromatic

#170E08 #372113 #643C23 #915733 #BE7344

Accessibility & contrast

On white

9.49

#643C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#643C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C23

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C23	#FFFFFF	#000000	##FFFFFF
##643C23	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474021

Deuteranopia (green-blind)

#514923

Tritanopia (blue-blind)

#6D3436

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c23;
/* rgb */ color: rgb(100, 60, 35);
/* oklch */ color: oklch(39.8% 0.068 51.7);

Tailwind

colors: {
  custom: {
    50: '#93725e',
    500: '#643c23',
    950: '#000000',
  },
}

SCSS

$custom: #643c23;
$custom-light: #93725e;
$custom-dark: #000000;

JSON

{
  "hex": "#643c23",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 35
  },
  "hsl": {
    "h": 23.077,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.39839,
    "c": 0.06794,
    "h": 51.7
  },
  "luminance": 0.06062
}

Semantic roles & 50–950 ramp

primary

#643C23

secondary

#4B7A98

accent

#A4D850

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643C23

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

Preview Lab → · Contrast checker → · Palette generator →