#643A25#643A25

#643A25 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.5% C 0.068 H 46.7°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#643A25
RGB	rgb(100, 58, 37)
HSL	hsl(20, 46%, 27%)
HSV	hsv(20, 63%, 39%)
CMYK	cmyk(0%, 42%, 63%, 60.8%)
CIE-LAB	lab(29.08, 16.29, 20.82)
CIE-LCH	lch(29.08, 26.43, 51.95°)
OKLab	oklab(39.47% 0.0467 0.0495)
OKLCH	oklch(39.47% 0.068 46.7)
XYZ	xyz(7.1030, 5.8697, 2.5088)
Luminance	0.0587 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A25 #254F64

analogous

#642530 #643A25 #645A25

triadic

#643A25 #25643A #3A2564

tetradic

#643A25 #306425 #254F64 #5A2564

square

#643A25 #306425 #254F64 #5A2564

split-complementary

#643A25 #25645A #253064

monochromatic

#160D08 #372014 #643A25 #915436 #BB6E48

Accessibility & contrast

On white

9.66

#643A25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#643A25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A25

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A25	#FFFFFF	#000000	##FFFFFF
##643A25	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F23

Deuteranopia (green-blind)

#4F4825

Tritanopia (blue-blind)

#6D3235

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643a25;
/* rgb */ color: rgb(100, 58, 37);
/* oklch */ color: oklch(39.5% 0.068 46.7);

Tailwind

colors: {
  custom: {
    50: '#937060',
    500: '#643a25',
    950: '#000000',
  },
}

SCSS

$custom: #643a25;
$custom-light: #937060;
$custom-dark: #000000;

JSON

{
  "hex": "#643a25",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 37
  },
  "hsl": {
    "h": 20,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.39472,
    "c": 0.06807,
    "h": 46.7
  },
  "luminance": 0.05869
}

Semantic roles & 50–950 ramp

primary

#643A25

secondary

#4E7F97

accent

#AAD652

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0704

muted

#7E7A79

Preview Lab

Preview with #643A25

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

Preview Lab → · Contrast checker → · Palette generator →