#643E1A#643E1A

#643E1A is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.073 H 61.4°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#643E1A
RGB	rgb(100, 62, 26)
HSL	hsl(29, 59%, 25%)
HSV	hsv(29, 74%, 39%)
CMYK	cmyk(0%, 38%, 74%, 60.8%)
CIE-LAB	lab(29.98, 13.01, 28.31)
CIE-LCH	lch(29.98, 31.16, 65.33°)
OKLab	oklab(40.12% 0.0349 0.0642)
OKLCH	oklch(40.12% 0.073 61.4)
XYZ	xyz(7.1651, 6.2298, 1.8022)
Luminance	0.0623 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E1A #1A4064

analogous

#641A1B #643E1A #64631A

triadic

#643E1A #1A643E #3E1A64

tetradic

#643E1A #1B641A #1A4064 #631A64

square

#643E1A #1B641A #1A4064 #631A64

split-complementary

#643E1A #1A6463 #1A1B64

monochromatic

#180F06 #33200D #643E1A #955C27 #C57A33

Accessibility & contrast

On white

9.35

#643E1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643E1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E1A

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E1A	#FFFFFF	#000000	##FFFFFF
##643E1A	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4116

Deuteranopia (green-blind)

#534A1A

Tritanopia (blue-blind)

#6E3636

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e1a;
/* rgb */ color: rgb(100, 62, 26);
/* oklch */ color: oklch(40.1% 0.073 61.4);

Tailwind

colors: {
  custom: {
    50: '#947358',
    500: '#643e1a',
    950: '#000000',
  },
}

SCSS

$custom: #643e1a;
$custom-light: #947358;
$custom-dark: #000000;

JSON

{
  "hex": "#643e1a",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 26
  },
  "hsl": {
    "h": 29.189,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.40122,
    "c": 0.07303,
    "h": 61.4
  },
  "luminance": 0.06229
}

Semantic roles & 50–950 ramp

primary

#643E1A

secondary

#406E9A

accent

#96E246

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643E1A

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

Preview Lab → · Contrast checker → · Palette generator →