#643F2E#643F2E

#643F2E is a dark, muted orange. Relative luminance 0.065; OKLCH L 40.7% C 0.059 H 45.3°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#643F2E
RGB	rgb(100, 63, 46)
HSL	hsl(19, 37%, 29%)
HSV	hsv(19, 54%, 39%)
CMYK	cmyk(0%, 37%, 54%, 60.8%)
CIE-LAB	lab(30.55, 14.07, 17.06)
CIE-LCH	lch(30.55, 22.11, 50.50°)
OKLab	oklab(40.66% 0.0413 0.0418)
OKLCH	oklch(40.66% 0.059 45.3)
XYZ	xyz(7.5266, 6.4622, 3.4352)
Luminance	0.0646 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F2E #2E5364

analogous

#642E38 #643F2E #645A2E

triadic

#643F2E #2E643F #3F2E64

tetradic

#643F2E #38642E #2E5364 #5A2E64

square

#643F2E #38642E #2E5364 #5A2E64

split-complementary

#643F2E #2E645A #2E3864

monochromatic

#150D0A #3A251B #643F2E #8E5941 #B3765A

Accessibility & contrast

On white

9.16

#643F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#643F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F2E

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F2E	#FFFFFF	#000000	##FFFFFF
##643F2E	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49432D

Deuteranopia (green-blind)

#524B2E

Tritanopia (blue-blind)

#6C393B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643f2e;
/* rgb */ color: rgb(100, 63, 46);
/* oklch */ color: oklch(40.7% 0.059 45.3);

Tailwind

colors: {
  custom: {
    50: '#927467',
    500: '#643f2e',
    950: '#000000',
  },
}

SCSS

$custom: #643f2e;
$custom-light: #927467;
$custom-dark: #000000;

JSON

{
  "hex": "#643f2e",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 46
  },
  "hsl": {
    "h": 18.889,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40656,
    "c": 0.05878,
    "h": 45.3
  },
  "luminance": 0.06462
}

Semantic roles & 50–950 ramp

primary

#643F2E

secondary

#588296

accent

#A9CD5B

background

#F9F7F6

surface

#F1EDEB

border

#CBC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643F2E

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

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