#643618#643618

#643618 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.5% C 0.078 H 51.4°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#643618
RGB	rgb(100, 54, 24)
HSL	hsl(24, 61%, 24%)
HSV	hsv(24, 76%, 39%)
CMYK	cmyk(0%, 46%, 76%, 60.8%)
CIE-LAB	lab(27.88, 17.80, 27.15)
CIE-LCH	lch(27.88, 32.46, 56.75°)
OKLab	oklab(38.49% 0.0489 0.0612)
OKLCH	oklch(38.49% 0.078 51.4)
XYZ	xyz(6.7401, 5.4143, 1.5541)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643618 #184664

analogous

#641820 #643618 #645C18

triadic

#643618 #186436 #361864

tetradic

#643618 #206418 #184664 #5C1864

square

#643618 #206418 #184664 #5C1864

split-complementary

#643618 #18645C #182064

monochromatic

#190D06 #331B0C #643618 #955124 #C76B30

Accessibility & contrast

On white

10.08

#643618 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#643618 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643618

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643618	#FFFFFF	#000000	##FFFFFF
##643618	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433C15

Deuteranopia (green-blind)

#4E4618

Tritanopia (blue-blind)

#6E2C2F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643618;
/* rgb */ color: rgb(100, 54, 24);
/* oklch */ color: oklch(38.5% 0.078 51.4);

Tailwind

colors: {
  custom: {
    50: '#956d56',
    500: '#643618',
    950: '#000000',
  },
}

SCSS

$custom: #643618;
$custom-light: #956d56;
$custom-dark: #000000;

JSON

{
  "hex": "#643618",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 24
  },
  "hsl": {
    "h": 23.684,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.38493,
    "c": 0.07837,
    "h": 51.4
  },
  "luminance": 0.05414
}

Semantic roles & 50–950 ramp

primary

#643618

secondary

#3E769A

accent

#A5E443

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643618

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

Preview Lab → · Contrast checker → · Palette generator →