#643E2F#643E2F

#643E2F is a dark, muted orange. Relative luminance 0.064; OKLCH L 40.5% C 0.059 H 42.3°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#643E2F
RGB	rgb(100, 62, 47)
HSL	hsl(17, 36%, 29%)
HSV	hsv(17, 53%, 39%)
CMYK	cmyk(0%, 38%, 53%, 60.8%)
CIE-LAB	lab(30.30, 14.79, 16.11)
CIE-LCH	lch(30.30, 21.87, 47.44°)
OKLab	oklab(40.47% 0.0437 0.0397)
OKLCH	oklch(40.47% 0.059 42.3)
XYZ	xyz(7.4917, 6.3604, 3.5219)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E2F #2F5564

analogous

#642F3B #643E2F #64592F

triadic

#643E2F #2F643E #3E2F64

tetradic

#643E2F #3B642F #2F5564 #592F64

square

#643E2F #3B642F #2F5564 #592F64

split-complementary

#643E2F #2F6459 #2F3B64

monochromatic

#150D0A #3A241B #643E2F #8E5843 #B2745B

Accessibility & contrast

On white

9.24

#643E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#643E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E2F

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E2F	#FFFFFF	#000000	##FFFFFF
##643E2F	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48422E

Deuteranopia (green-blind)

#514B2F

Tritanopia (blue-blind)

#6C383A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e2f;
/* rgb */ color: rgb(100, 62, 47);
/* oklch */ color: oklch(40.5% 0.059 42.3);

Tailwind

colors: {
  custom: {
    50: '#927367',
    500: '#643e2f',
    950: '#000000',
  },
}

SCSS

$custom: #643e2f;
$custom-light: #927367;
$custom-dark: #000000;

JSON

{
  "hex": "#643e2f",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 16.981,
    "s": 36.054,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40473,
    "c": 0.05897,
    "h": 42.3
  },
  "luminance": 0.0636
}

Semantic roles & 50–950 ramp

primary

#643E2F

secondary

#598496

accent

#ACCC5C

background

#F9F7F6

surface

#F1EDEB

border

#CBC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643E2F

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

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