#643D30#643D30

#643D30 is a dark, muted orange. Relative luminance 0.063; OKLCH L 40.3% C 0.059 H 39.2°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#643D30
RGB	rgb(100, 61, 48)
HSL	hsl(15, 35%, 29%)
HSV	hsv(15, 52%, 39%)
CMYK	cmyk(0%, 39%, 52%, 60.8%)
CIE-LAB	lab(30.06, 15.52, 15.16)
CIE-LCH	lch(30.06, 21.69, 44.32°)
OKLab	oklab(40.29% 0.046 0.0375)
OKLCH	oklch(40.29% 0.059 39.2)
XYZ	xyz(7.4582, 6.2608, 3.6114)
Luminance	0.0626 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D30 #305764

analogous

#64303D #643D30 #645730

triadic

#643D30 #30643D #3D3064

tetradic

#643D30 #3D6430 #305764 #573064

square

#643D30 #3D6430 #305764 #573064

split-complementary

#643D30 #306457 #303D64

monochromatic

#150D0A #3B241C #643D30 #8D5644 #B1725D

Accessibility & contrast

On white

9.33

#643D30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643D30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D30

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D30	#FFFFFF	#000000	##FFFFFF
##643D30	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47422F

Deuteranopia (green-blind)

#504A30

Tritanopia (blue-blind)

#6C373A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643d30;
/* rgb */ color: rgb(100, 61, 48);
/* oklch */ color: oklch(40.3% 0.059 39.2);

Tailwind

colors: {
  custom: {
    50: '#927368',
    500: '#643d30',
    950: '#000000',
  },
}

SCSS

$custom: #643d30;
$custom-light: #927368;
$custom-dark: #000000;

JSON

{
  "hex": "#643d30",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 48
  },
  "hsl": {
    "h": 15,
    "s": 35.135,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40292,
    "c": 0.05932,
    "h": 39.2
  },
  "luminance": 0.0626
}

Semantic roles & 50–950 ramp

primary

#643D30

secondary

#5A8795

accent

#B0CB5D

background

#F9F6F6

surface

#F1ECEB

border

#CBC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643D30

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

Preview Lab → · Contrast checker → · Palette generator →