#643D29#643D29

#643D29 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.063 H 47.5°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#643D29
RGB	rgb(100, 61, 41)
HSL	hsl(20, 42%, 28%)
HSV	hsv(20, 59%, 39%)
CMYK	cmyk(0%, 39%, 59%, 60.8%)
CIE-LAB	lab(29.93, 14.80, 19.40)
CIE-LCH	lch(29.93, 24.40, 52.65°)
OKLab	oklab(40.15% 0.0428 0.0467)
OKLCH	oklch(40.15% 0.063 47.5)
XYZ	xyz(7.3250, 6.2076, 2.9098)
Luminance	0.0621 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D29 #295064

analogous

#642932 #643D29 #645A29

triadic

#643D29 #29643D #3D2964

tetradic

#643D29 #326429 #295064 #5A2964

square

#643D29 #326429 #295064 #5A2964

split-complementary

#643D29 #29645A #293264

monochromatic

#160D09 #392317 #643D29 #8F573B #B77350

Accessibility & contrast

On white

9.37

#643D29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643D29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D29

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D29	#FFFFFF	#000000	##FFFFFF
##643D29	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484127

Deuteranopia (green-blind)

#514A29

Tritanopia (blue-blind)

#6D3638

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d29;
/* rgb */ color: rgb(100, 61, 41);
/* oklch */ color: oklch(40.1% 0.063 47.5);

Tailwind

colors: {
  custom: {
    50: '#937263',
    500: '#643d29',
    950: '#000000',
  },
}

SCSS

$custom: #643d29;
$custom-light: #937263;
$custom-dark: #000000;

JSON

{
  "hex": "#643d29",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 41
  },
  "hsl": {
    "h": 20.339,
    "s": 41.844,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40148,
    "c": 0.0634,
    "h": 47.5
  },
  "luminance": 0.06207
}

Semantic roles & 50–950 ramp

primary

#643D29

secondary

#527F96

accent

#A8D256

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643D29

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

Preview Lab → · Contrast checker → · Palette generator →