#643B23#643B23

#643B23 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.6% C 0.069 H 50.1°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#643B23
RGB	rgb(100, 59, 35)
HSL	hsl(22, 48%, 26%)
HSV	hsv(22, 65%, 39%)
CMYK	cmyk(0%, 41%, 65%, 60.8%)
CIE-LAB	lab(29.31, 15.51, 22.32)
CIE-LCH	lch(29.31, 27.18, 55.21°)
OKLab	oklab(39.64% 0.044 0.0526)
OKLCH	oklch(39.64% 0.069 50.1)
XYZ	xyz(7.1234, 5.9593, 2.3649)
Luminance	0.0596 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B23 #234C64

analogous

#64232C #643B23 #645C23

triadic

#643B23 #23643B #3B2364

tetradic

#643B23 #2C6423 #234C64 #5C2364

square

#643B23 #2C6423 #234C64 #5C2364

split-complementary

#643B23 #23645C #232C64

monochromatic

#170D08 #372013 #643B23 #915633 #BE7144

Accessibility & contrast

On white

9.58

#643B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#643B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B23

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B23	#FFFFFF	#000000	##FFFFFF
##643B23	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464021

Deuteranopia (green-blind)

#504923

Tritanopia (blue-blind)

#6D3335

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643b23;
/* rgb */ color: rgb(100, 59, 35);
/* oklch */ color: oklch(39.6% 0.069 50.1);

Tailwind

colors: {
  custom: {
    50: '#93715e',
    500: '#643b23',
    950: '#000000',
  },
}

SCSS

$custom: #643b23;
$custom-light: #93715e;
$custom-dark: #000000;

JSON

{
  "hex": "#643b23",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 35
  },
  "hsl": {
    "h": 22.154,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.39638,
    "c": 0.06859,
    "h": 50.1
  },
  "luminance": 0.05959
}

Semantic roles & 50–950 ramp

primary

#643B23

secondary

#4B7B98

accent

#A6D850

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0704

muted

#7E7A79

Preview Lab

Preview with #643B23

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

Preview Lab → · Contrast checker → · Palette generator →