#643E22#643E22

#643E22 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.2% C 0.068 H 55.8°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#643E22
RGB	rgb(100, 62, 34)
HSL	hsl(25, 49%, 26%)
HSV	hsv(25, 66%, 39%)
CMYK	cmyk(0%, 38%, 66%, 60.8%)
CIE-LAB	lab(30.09, 13.57, 23.85)
CIE-LCH	lch(30.09, 27.44, 60.35°)
OKLab	oklab(40.23% 0.038 0.0559)
OKLCH	oklch(40.23% 0.068 55.8)
XYZ	xyz(7.2674, 6.2707, 2.3407)
Luminance	0.0627 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E22 #224864

analogous

#642227 #643E22 #645F22

triadic

#643E22 #22643E #3E2264

tetradic

#643E22 #276422 #224864 #5F2264

square

#643E22 #276422 #224864 #5F2264

split-complementary

#643E22 #22645F #222764

monochromatic

#170E08 #362212 #643E22 #925A32 #BF7742

Accessibility & contrast

On white

9.32

#643E22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643E22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E22

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E22	#FFFFFF	#000000	##FFFFFF
##643E22	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49421F

Deuteranopia (green-blind)

#524A22

Tritanopia (blue-blind)

#6D3637

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e22;
/* rgb */ color: rgb(100, 62, 34);
/* oklch */ color: oklch(40.2% 0.068 55.8);

Tailwind

colors: {
  custom: {
    50: '#93735e',
    500: '#643e22',
    950: '#000000',
  },
}

SCSS

$custom: #643e22;
$custom-light: #93735e;
$custom-dark: #000000;

JSON

{
  "hex": "#643e22",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 34
  },
  "hsl": {
    "h": 25.455,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.40233,
    "c": 0.06754,
    "h": 55.8
  },
  "luminance": 0.0627
}

Semantic roles & 50–950 ramp

primary

#643E22

secondary

#4A7798

accent

#9ED94F

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643E22

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

Preview Lab → · Contrast checker → · Palette generator →