#643B20#643B20

#643B20 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.6% C 0.070 H 52.7°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#643B20
RGB	rgb(100, 59, 32)
HSL	hsl(24, 52%, 26%)
HSV	hsv(24, 68%, 39%)
CMYK	cmyk(0%, 41%, 68%, 60.8%)
CIE-LAB	lab(29.27, 15.27, 24.07)
CIE-LCH	lch(29.27, 28.51, 57.60°)
OKLab	oklab(39.59% 0.0427 0.0561)
OKLCH	oklch(39.59% 0.07 52.7)
XYZ	xyz(7.0807, 5.9422, 2.1403)
Luminance	0.0594 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B20 #204964

analogous

#642027 #643B20 #645D20

triadic

#643B20 #20643B #3B2064

tetradic

#643B20 #276420 #204964 #5D2064

square

#643B20 #276420 #204964 #5D2064

split-complementary

#643B20 #20645D #202764

monochromatic

#170E07 #362011 #643B20 #92562F #C1723E

Accessibility & contrast

On white

9.60

#643B20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#643B20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B20

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B20	#FFFFFF	#000000	##FFFFFF
##643B20	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F1D

Deuteranopia (green-blind)

#504920

Tritanopia (blue-blind)

#6D3335

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643b20;
/* rgb */ color: rgb(100, 59, 32);
/* oklch */ color: oklch(39.6% 0.070 52.7);

Tailwind

colors: {
  custom: {
    50: '#94715c',
    500: '#643b20',
    950: '#000000',
  },
}

SCSS

$custom: #643b20;
$custom-light: #94715c;
$custom-dark: #000000;

JSON

{
  "hex": "#643b20",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 32
  },
  "hsl": {
    "h": 23.824,
    "s": 51.515,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3959,
    "c": 0.07049,
    "h": 52.7
  },
  "luminance": 0.05942
}

Semantic roles & 50–950 ramp

primary

#643B20

secondary

#487898

accent

#A3DB4D

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #643B20

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

Preview Lab → · Contrast checker → · Palette generator →