#643D25#643D25

#643D25 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.066 H 51.5°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#643D25
RGB	rgb(100, 61, 37)
HSL	hsl(23, 46%, 27%)
HSV	hsv(23, 63%, 39%)
CMYK	cmyk(0%, 39%, 63%, 60.8%)
CIE-LAB	lab(29.86, 14.44, 21.78)
CIE-LCH	lch(29.86, 26.13, 56.45°)
OKLab	oklab(40.08% 0.0411 0.0517)
OKLCH	oklch(40.08% 0.066 51.5)
XYZ	xyz(7.2587, 6.1810, 2.5607)
Luminance	0.0618 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D25 #254C64

analogous

#64252D #643D25 #645D25

triadic

#643D25 #25643D #3D2564

tetradic

#643D25 #2D6425 #254C64 #5D2564

square

#643D25 #2D6425 #254C64 #5D2564

split-complementary

#643D25 #25645D #252D64

monochromatic

#160E08 #372214 #643D25 #915836 #BB7448

Accessibility & contrast

On white

9.39

#643D25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643D25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D25

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D25	#FFFFFF	#000000	##FFFFFF
##643D25	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484123

Deuteranopia (green-blind)

#514A25

Tritanopia (blue-blind)

#6D3537

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d25;
/* rgb */ color: rgb(100, 61, 37);
/* oklch */ color: oklch(40.1% 0.066 51.5);

Tailwind

colors: {
  custom: {
    50: '#937260',
    500: '#643d25',
    950: '#000000',
  },
}

SCSS

$custom: #643d25;
$custom-light: #937260;
$custom-dark: #000000;

JSON

{
  "hex": "#643d25",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 37
  },
  "hsl": {
    "h": 22.857,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.40076,
    "c": 0.06602,
    "h": 51.5
  },
  "luminance": 0.0618
}

Semantic roles & 50–950 ramp

primary

#643D25

secondary

#4E7B97

accent

#A4D652

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643D25

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

Preview Lab → · Contrast checker → · Palette generator →