#643E2D#643E2D

#643E2D is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.4% C 0.060 H 44.7°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#643E2D
RGB	rgb(100, 62, 45)
HSL	hsl(19, 38%, 28%)
HSV	hsv(19, 55%, 39%)
CMYK	cmyk(0%, 38%, 55%, 60.8%)
CIE-LAB	lab(30.27, 14.58, 17.32)
CIE-LCH	lch(30.27, 22.64, 49.91°)
OKLab	oklab(40.43% 0.0428 0.0423)
OKLCH	oklch(40.43% 0.06 44.7)
XYZ	xyz(7.4522, 6.3447, 3.3143)
Luminance	0.0634 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E2D #2D5364

analogous

#642D37 #643E2D #64592D

triadic

#643E2D #2D643E #3E2D64

tetradic

#643E2D #37642D #2D5364 #592D64

square

#643E2D #37642D #2D5364 #592D64

split-complementary

#643E2D #2D6459 #2D3764

monochromatic

#150D09 #3A241A #643E2D #8E5840 #B47458

Accessibility & contrast

On white

9.26

#643E2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#643E2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E2D

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E2D	#FFFFFF	#000000	##FFFFFF
##643E2D	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48422C

Deuteranopia (green-blind)

#514A2D

Tritanopia (blue-blind)

#6D373A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e2d;
/* rgb */ color: rgb(100, 62, 45);
/* oklch */ color: oklch(40.4% 0.060 44.7);

Tailwind

colors: {
  custom: {
    50: '#927366',
    500: '#643e2d',
    950: '#000000',
  },
}

SCSS

$custom: #643e2d;
$custom-light: #927366;
$custom-dark: #000000;

JSON

{
  "hex": "#643e2d",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 45
  },
  "hsl": {
    "h": 18.545,
    "s": 37.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.4043,
    "c": 0.06016,
    "h": 44.7
  },
  "luminance": 0.06344
}

Semantic roles & 50–950 ramp

primary

#643E2D

secondary

#578296

accent

#AACE5A

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643E2D

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

Preview Lab → · Contrast checker → · Palette generator →