#643D23#643D23

#643D23 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.0% C 0.067 H 53.3°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#643D23
RGB	rgb(100, 61, 35)
HSL	hsl(24, 48%, 26%)
HSV	hsv(24, 65%, 39%)
CMYK	cmyk(0%, 39%, 65%, 60.8%)
CIE-LAB	lab(29.83, 14.27, 22.95)
CIE-LCH	lch(29.83, 27.03, 58.12°)
OKLab	oklab(40.04% 0.0403 0.054)
OKLCH	oklch(40.04% 0.067 53.3)
XYZ	xyz(7.2281, 6.1688, 2.3998)
Luminance	0.0617 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D23 #234A64

analogous

#64232A #643D23 #645E23

triadic

#643D23 #23643D #3D2364

tetradic

#643D23 #2A6423 #234A64 #5E2364

square

#643D23 #2A6423 #234A64 #5E2364

split-complementary

#643D23 #23645E #232A64

monochromatic

#170E08 #372113 #643D23 #915933 #BE7544

Accessibility & contrast

On white

9.40

#643D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D23

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D23	#FFFFFF	#000000	##FFFFFF
##643D23	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484121

Deuteranopia (green-blind)

#514A23

Tritanopia (blue-blind)

#6D3537

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d23;
/* rgb */ color: rgb(100, 61, 35);
/* oklch */ color: oklch(40.0% 0.067 53.3);

Tailwind

colors: {
  custom: {
    50: '#93725e',
    500: '#643d23',
    950: '#000000',
  },
}

SCSS

$custom: #643d23;
$custom-light: #93725e;
$custom-dark: #000000;

JSON

{
  "hex": "#643d23",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 35
  },
  "hsl": {
    "h": 24,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.40043,
    "c": 0.06737,
    "h": 53.3
  },
  "luminance": 0.06168
}

Semantic roles & 50–950 ramp

primary

#643D23

secondary

#4B7998

accent

#A1D850

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643D23

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

Preview Lab → · Contrast checker → · Palette generator →