#643A23#643A23

#643A23 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.4% C 0.069 H 48.6°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#643A23
RGB	rgb(100, 58, 35)
HSL	hsl(21, 48%, 26%)
HSV	hsv(21, 65%, 39%)
CMYK	cmyk(0%, 42%, 65%, 60.8%)
CIE-LAB	lab(29.05, 16.12, 22.00)
CIE-LCH	lch(29.05, 27.28, 53.77°)
OKLab	oklab(39.44% 0.0458 0.0519)
OKLCH	oklch(39.44% 0.069 48.6)
XYZ	xyz(7.0725, 5.8575, 2.3479)
Luminance	0.0586 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A23 #234D64

analogous

#64232D #643A23 #645B23

triadic

#643A23 #23643A #3A2364

tetradic

#643A23 #2D6423 #234D64 #5B2364

square

#643A23 #2D6423 #234D64 #5B2364

split-complementary

#643A23 #23645B #232D64

monochromatic

#170D08 #372013 #643A23 #915433 #BE6F44

Accessibility & contrast

On white

9.67

#643A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#643A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A23

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A23	#FFFFFF	#000000	##FFFFFF
##643A23	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)

#463F21

Deuteranopia (green-blind)

#504823

Tritanopia (blue-blind)

#6D3234

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a23;
/* rgb */ color: rgb(100, 58, 35);
/* oklch */ color: oklch(39.4% 0.069 48.6);

Tailwind

colors: {
  custom: {
    50: '#93705e',
    500: '#643a23',
    950: '#000000',
  },
}

SCSS

$custom: #643a23;
$custom-light: #93705e;
$custom-dark: #000000;

JSON

{
  "hex": "#643a23",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 21.231,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.39438,
    "c": 0.06927,
    "h": 48.6
  },
  "luminance": 0.05857
}

Semantic roles & 50–950 ramp

primary

#643A23

secondary

#4B7D98

accent

#A8D850

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0704

muted

#7E7A79

Preview Lab

Preview with #643A23

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

Preview Lab → · Contrast checker → · Palette generator →