#643D22#643D22

#643D22 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.0% C 0.068 H 54.2°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#643D22
RGB	rgb(100, 61, 34)
HSL	hsl(25, 49%, 26%)
HSV	hsv(25, 66%, 39%)
CMYK	cmyk(0%, 39%, 66%, 60.8%)
CIE-LAB	lab(29.82, 14.19, 23.53)
CIE-LCH	lch(29.82, 27.48, 58.91°)
OKLab	oklab(40.03% 0.0398 0.0552)
OKLCH	oklch(40.03% 0.068 54.2)
XYZ	xyz(7.2135, 6.1630, 2.3227)
Luminance	0.0616 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D22 #224964

analogous

#642228 #643D22 #645E22

triadic

#643D22 #22643D #3D2264

tetradic

#643D22 #286422 #224964 #5E2264

square

#643D22 #286422 #224964 #5E2264

split-complementary

#643D22 #22645E #222864

monochromatic

#170E08 #362112 #643D22 #925932 #BF7542

Accessibility & contrast

On white

9.41

#643D22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643D22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D22

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D22	#FFFFFF	#000000	##FFFFFF
##643D22	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484120

Deuteranopia (green-blind)

#524A22

Tritanopia (blue-blind)

#6D3537

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d22;
/* rgb */ color: rgb(100, 61, 34);
/* oklch */ color: oklch(40.0% 0.068 54.2);

Tailwind

colors: {
  custom: {
    50: '#93725e',
    500: '#643d22',
    950: '#000000',
  },
}

SCSS

$custom: #643d22;
$custom-light: #93725e;
$custom-dark: #000000;

JSON

{
  "hex": "#643d22",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 34
  },
  "hsl": {
    "h": 24.545,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.40027,
    "c": 0.06804,
    "h": 54.2
  },
  "luminance": 0.06162
}

Semantic roles & 50–950 ramp

primary

#643D22

secondary

#4A7898

accent

#A0D94F

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643D22

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

Preview Lab → · Contrast checker → · Palette generator →