#643A24#643A24

#643A24 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.5% C 0.069 H 47.6°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#643A24
RGB	rgb(100, 58, 36)
HSL	hsl(21, 47%, 27%)
HSV	hsv(21, 64%, 39%)
CMYK	cmyk(0%, 42%, 64%, 60.8%)
CIE-LAB	lab(29.07, 16.21, 21.41)
CIE-LCH	lch(29.07, 26.85, 52.88°)
OKLab	oklab(39.45% 0.0463 0.0507)
OKLCH	oklch(39.45% 0.069 47.6)
XYZ	xyz(7.0875, 5.8635, 2.4272)
Luminance	0.0586 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A24 #244E64

analogous

#64242E #643A24 #645A24

triadic

#643A24 #24643A #3A2464

tetradic

#643A24 #2E6424 #244E64 #5A2464

square

#643A24 #2E6424 #244E64 #5A2464

split-complementary

#643A24 #24645A #242E64

monochromatic

#170D08 #372014 #643A24 #915434 #BC6F46

Accessibility & contrast

On white

9.67

#643A24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#643A24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A24

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A24	#FFFFFF	#000000	##FFFFFF
##643A24	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F22

Deuteranopia (green-blind)

#504824

Tritanopia (blue-blind)

#6D3235

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a24;
/* rgb */ color: rgb(100, 58, 36);
/* oklch */ color: oklch(39.5% 0.069 47.6);

Tailwind

colors: {
  custom: {
    50: '#93705f',
    500: '#643a24',
    950: '#000000',
  },
}

SCSS

$custom: #643a24;
$custom-light: #93705f;
$custom-dark: #000000;

JSON

{
  "hex": "#643a24",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 36
  },
  "hsl": {
    "h": 20.625,
    "s": 47.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.39454,
    "c": 0.06866,
    "h": 47.6
  },
  "luminance": 0.05863
}

Semantic roles & 50–950 ramp

primary

#643A24

secondary

#4C7E97

accent

#A9D751

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0704

muted

#7E7A79

Preview Lab

Preview with #643A24

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

Preview Lab → · Contrast checker → · Palette generator →