#643E2E#643E2E

#643E2E is a dark, muted orange. Relative luminance 0.064; OKLCH L 40.5% C 0.060 H 43.5°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#643E2E
RGB	rgb(100, 62, 46)
HSL	hsl(18, 37%, 29%)
HSV	hsv(18, 54%, 39%)
CMYK	cmyk(0%, 38%, 54%, 60.8%)
CIE-LAB	lab(30.28, 14.68, 16.72)
CIE-LCH	lch(30.28, 22.25, 48.70°)
OKLab	oklab(40.45% 0.0432 0.041)
OKLCH	oklch(40.45% 0.06 43.5)
XYZ	xyz(7.4717, 6.3525, 3.4169)
Luminance	0.0635 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E2E #2E5464

analogous

#642E39 #643E2E #64592E

triadic

#643E2E #2E643E #3E2E64

tetradic

#643E2E #39642E #2E5464 #592E64

square

#643E2E #39642E #2E5464 #592E64

split-complementary

#643E2E #2E6459 #2E3964

monochromatic

#150D0A #3A241B #643E2E #8E5841 #B3745A

Accessibility & contrast

On white

9.25

#643E2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#643E2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E2E

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E2E	#FFFFFF	#000000	##FFFFFF
##643E2E	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48422D

Deuteranopia (green-blind)

#514A2E

Tritanopia (blue-blind)

#6C383A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e2e;
/* rgb */ color: rgb(100, 62, 46);
/* oklch */ color: oklch(40.5% 0.060 43.5);

Tailwind

colors: {
  custom: {
    50: '#927367',
    500: '#643e2e',
    950: '#000000',
  },
}

SCSS

$custom: #643e2e;
$custom-light: #927367;
$custom-dark: #000000;

JSON

{
  "hex": "#643e2e",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 46
  },
  "hsl": {
    "h": 17.778,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40451,
    "c": 0.05956,
    "h": 43.5
  },
  "luminance": 0.06352
}

Semantic roles & 50–950 ramp

primary

#643E2E

secondary

#588396

accent

#ABCD5B

background

#F9F7F6

surface

#F1EDEB

border

#CBC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643E2E

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

Preview Lab → · Contrast checker → · Palette generator →