#643E1E#643E1E

#643E1E is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.2% C 0.070 H 58.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#643E1E
RGB	rgb(100, 62, 30)
HSL	hsl(27, 54%, 25%)
HSV	hsv(27, 70%, 39%)
CMYK	cmyk(0%, 38%, 70%, 60.8%)
CIE-LAB	lab(30.03, 13.27, 26.12)
CIE-LCH	lch(30.03, 29.30, 63.06°)
OKLab	oklab(40.17% 0.0364 0.0602)
OKLCH	oklch(40.17% 0.07 58.8)
XYZ	xyz(7.2130, 6.2490, 2.0543)
Luminance	0.0625 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E1E #1E4464

analogous

#641E21 #643E1E #64611E

triadic

#643E1E #1E643E #3E1E64

tetradic

#643E1E #21641E #1E4464 #611E64

square

#643E1E #21641E #1E4464 #611E64

split-complementary

#643E1E #1E6461 #1E2164

monochromatic

#180F07 #352110 #643E1E #935B2C #C2783A

Accessibility & contrast

On white

9.33

#643E1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643E1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E1E

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E1E	#FFFFFF	#000000	##FFFFFF
##643E1E	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49421B

Deuteranopia (green-blind)

#524A1E

Tritanopia (blue-blind)

#6D3637

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e1e;
/* rgb */ color: rgb(100, 62, 30);
/* oklch */ color: oklch(40.2% 0.070 58.8);

Tailwind

colors: {
  custom: {
    50: '#94735b',
    500: '#643e1e',
    950: '#000000',
  },
}

SCSS

$custom: #643e1e;
$custom-light: #94735b;
$custom-dark: #000000;

JSON

{
  "hex": "#643e1e",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 30
  },
  "hsl": {
    "h": 27.429,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.40174,
    "c": 0.07033,
    "h": 58.8
  },
  "luminance": 0.06248
}

Semantic roles & 50–950 ramp

primary

#643E1E

secondary

#457299

accent

#9ADD4B

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #643E1E

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

Preview Lab → · Contrast checker → · Palette generator →