#643A22#643A22

#643A22 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.4% C 0.070 H 49.5°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#643A22
RGB	rgb(100, 58, 34)
HSL	hsl(22, 49%, 26%)
HSV	hsv(22, 66%, 39%)
CMYK	cmyk(0%, 42%, 66%, 60.8%)
CIE-LAB	lab(29.03, 16.04, 22.59)
CIE-LCH	lch(29.03, 27.71, 54.63°)
OKLab	oklab(39.42% 0.0454 0.0531)
OKLCH	oklch(39.42% 0.07 49.5)
XYZ	xyz(7.0578, 5.8516, 2.2708)
Luminance	0.0585 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A22 #224C64

analogous

#64222B #643A22 #645B22

triadic

#643A22 #22643A #3A2264

tetradic

#643A22 #2B6422 #224C64 #5B2264

square

#643A22 #2B6422 #224C64 #5B2264

split-complementary

#643A22 #22645B #222B64

monochromatic

#170D08 #362012 #643A22 #925432 #BF6F42

Accessibility & contrast

On white

9.68

#643A22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#643A22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A22

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A22	#FFFFFF	#000000	##FFFFFF
##643A22	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F20

Deuteranopia (green-blind)

#504822

Tritanopia (blue-blind)

#6D3234

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a22;
/* rgb */ color: rgb(100, 58, 34);
/* oklch */ color: oklch(39.4% 0.070 49.5);

Tailwind

colors: {
  custom: {
    50: '#94705d',
    500: '#643a22',
    950: '#000000',
  },
}

SCSS

$custom: #643a22;
$custom-light: #94705d;
$custom-dark: #000000;

JSON

{
  "hex": "#643a22",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 34
  },
  "hsl": {
    "h": 21.818,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.39421,
    "c": 0.06988,
    "h": 49.5
  },
  "luminance": 0.05851
}

Semantic roles & 50–950 ramp

primary

#643A22

secondary

#4A7C98

accent

#A7D94F

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #643A22

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

Preview Lab → · Contrast checker → · Palette generator →