#643A29#643A29

#643A29 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.5% C 0.066 H 42.6°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#643A29
RGB	rgb(100, 58, 41)
HSL	hsl(17, 42%, 28%)
HSV	hsv(17, 59%, 39%)
CMYK	cmyk(0%, 42%, 59%, 60.8%)
CIE-LAB	lab(29.15, 16.65, 18.41)
CIE-LCH	lch(29.15, 24.82, 47.87°)
OKLab	oklab(39.55% 0.0484 0.0445)
OKLCH	oklch(39.55% 0.066 42.6)
XYZ	xyz(7.1693, 5.8962, 2.8579)
Luminance	0.0590 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A29 #295364

analogous

#642936 #643A29 #645729

triadic

#643A29 #29643A #3A2964

tetradic

#643A29 #366429 #295364 #572964

square

#643A29 #366429 #295364 #572964

split-complementary

#643A29 #296457 #293664

monochromatic

#160D09 #392117 #643A29 #8F533B #B76E50

Accessibility & contrast

On white

9.64

#643A29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#643A29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A29

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A29	#FFFFFF	#000000	##FFFFFF
##643A29	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F28

Deuteranopia (green-blind)

#4F4829

Tritanopia (blue-blind)

#6D3336

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643a29;
/* rgb */ color: rgb(100, 58, 41);
/* oklch */ color: oklch(39.5% 0.066 42.6);

Tailwind

colors: {
  custom: {
    50: '#937063',
    500: '#643a29',
    950: '#000000',
  },
}

SCSS

$custom: #643a29;
$custom-light: #937063;
$custom-dark: #000000;

JSON

{
  "hex": "#643a29",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 41
  },
  "hsl": {
    "h": 17.288,
    "s": 41.844,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39546,
    "c": 0.06578,
    "h": 42.6
  },
  "luminance": 0.05896
}

Semantic roles & 50–950 ramp

primary

#643A29

secondary

#528396

accent

#AED256

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0D0705

muted

#7E7A79

Preview Lab

Preview with #643A29

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

Preview Lab → · Contrast checker → · Palette generator →