#643A2A#643A2A

#643A2A is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.6% C 0.065 H 41.5°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#643A2A
RGB	rgb(100, 58, 42)
HSL	hsl(17, 41%, 28%)
HSV	hsv(17, 58%, 39%)
CMYK	cmyk(0%, 42%, 58%, 60.8%)
CIE-LAB	lab(29.17, 16.75, 17.80)
CIE-LCH	lch(29.17, 24.44, 46.74°)
OKLab	oklab(39.57% 0.0489 0.0432)
OKLCH	oklch(39.57% 0.065 41.5)
XYZ	xyz(7.1870, 5.9033, 2.9510)
Luminance	0.0590 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A2A #2A5464

analogous

#642A37 #643A2A #64572A

triadic

#643A2A #2A643A #3A2A64

tetradic

#643A2A #37642A #2A5464 #572A64

square

#643A2A #37642A #2A5464 #572A64

split-complementary

#643A2A #2A6457 #2A3764

monochromatic

#160C09 #392118 #643A2A #8F533C #B66E52

Accessibility & contrast

On white

9.63

#643A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#643A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A2A

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A2A	#FFFFFF	#000000	##FFFFFF
##643A2A	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F29

Deuteranopia (green-blind)

#4F482A

Tritanopia (blue-blind)

#6D3336

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643a2a;
/* rgb */ color: rgb(100, 58, 42);
/* oklch */ color: oklch(39.6% 0.065 41.5);

Tailwind

colors: {
  custom: {
    50: '#937063',
    500: '#643a2a',
    950: '#000000',
  },
}

SCSS

$custom: #643a2a;
$custom-light: #937063;
$custom-dark: #000000;

JSON

{
  "hex": "#643a2a",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 42
  },
  "hsl": {
    "h": 16.552,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.39566,
    "c": 0.06524,
    "h": 41.5
  },
  "luminance": 0.05903
}

Semantic roles & 50–950 ramp

primary

#643A2A

secondary

#538496

accent

#AFD157

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0D0705

muted

#7E7A79

Preview Lab

Preview with #643A2A

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

Preview Lab → · Contrast checker → · Palette generator →