#643C16#643C16

#643C16 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.7% C 0.076 H 60.8°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#643C16
RGB	rgb(100, 60, 22)
HSL	hsl(29, 64%, 24%)
HSV	hsv(29, 78%, 39%)
CMYK	cmyk(0%, 40%, 78%, 60.8%)
CIE-LAB	lab(29.41, 14.01, 29.85)
CIE-LCH	lch(29.41, 32.98, 64.86°)
OKLab	oklab(39.67% 0.0372 0.0666)
OKLCH	oklch(39.67% 0.076 60.8)
XYZ	xyz(7.0168, 5.9997, 1.5474)
Luminance	0.0600 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C16 #163E64

analogous

#641617 #643C16 #646316

triadic

#643C16 #16643C #3C1664

tetradic

#643C16 #176416 #163E64 #631664

square

#643C16 #176416 #163E64 #631664

split-complementary

#643C16 #166463 #161764

monochromatic

#190F06 #321E0B #643C16 #965A21 #C8782C

Accessibility & contrast

On white

9.55

#643C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#643C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C16

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C16	#FFFFFF	#000000	##FFFFFF
##643C16	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484011

Deuteranopia (green-blind)

#524916

Tritanopia (blue-blind)

#6E3334

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643c16;
/* rgb */ color: rgb(100, 60, 22);
/* oklch */ color: oklch(39.7% 0.076 60.8);

Tailwind

colors: {
  custom: {
    50: '#947255',
    500: '#643c16',
    950: '#000000',
  },
}

SCSS

$custom: #643c16;
$custom-light: #947255;
$custom-dark: #000000;

JSON

{
  "hex": "#643c16",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 22
  },
  "hsl": {
    "h": 29.231,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.39665,
    "c": 0.07626,
    "h": 60.8
  },
  "luminance": 0.05999
}

Semantic roles & 50–950 ramp

primary

#643C16

secondary

#3B6C9B

accent

#96E741

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643C16

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

Preview Lab → · Contrast checker → · Palette generator →