#643719#643719

#643719 is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.7% C 0.077 H 52.1°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#643719
RGB	rgb(100, 55, 25)
HSL	hsl(24, 60%, 25%)
HSV	hsv(24, 75%, 39%)
CMYK	cmyk(0%, 45%, 75%, 60.8%)
CIE-LAB	lab(28.15, 17.25, 26.87)
CIE-LCH	lch(28.15, 31.93, 57.30°)
OKLab	oklab(38.7% 0.0474 0.0609)
OKLCH	oklch(38.7% 0.077 52.1)
XYZ	xyz(6.7978, 5.5126, 1.6256)
Luminance	0.0551 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643719 #194664

analogous

#641921 #643719 #645D19

triadic

#643719 #196437 #371964

tetradic

#643719 #216419 #194664 #5D1964

square

#643719 #216419 #194664 #5D1964

split-complementary

#643719 #19645D #192164

monochromatic

#180D06 #331C0D #643719 #955225 #C66D31

Accessibility & contrast

On white

9.99

#643719 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#643719 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643719

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643719	#FFFFFF	#000000	##FFFFFF
##643719	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C16

Deuteranopia (green-blind)

#4F4619

Tritanopia (blue-blind)

#6E2E30

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643719;
/* rgb */ color: rgb(100, 55, 25);
/* oklch */ color: oklch(38.7% 0.077 52.1);

Tailwind

colors: {
  custom: {
    50: '#946e57',
    500: '#643719',
    950: '#000000',
  },
}

SCSS

$custom: #643719;
$custom-light: #946e57;
$custom-dark: #000000;

JSON

{
  "hex": "#643719",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 25
  },
  "hsl": {
    "h": 24,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.387,
    "c": 0.07716,
    "h": 52.1
  },
  "luminance": 0.05512
}

Semantic roles & 50–950 ramp

primary

#643719

secondary

#3F769A

accent

#A4E345

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643719

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

Preview Lab → · Contrast checker → · Palette generator →