#643E19#643E19

#643E19 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.074 H 62.0°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#643E19
RGB	rgb(100, 62, 25)
HSL	hsl(30, 60%, 25%)
HSV	hsv(30, 75%, 39%)
CMYK	cmyk(0%, 38%, 75%, 60.8%)
CIE-LAB	lab(29.97, 12.95, 28.85)
CIE-LCH	lch(29.97, 31.62, 65.83°)
OKLab	oklab(40.11% 0.0346 0.0651)
OKLCH	oklch(40.11% 0.074 62)
XYZ	xyz(7.1542, 6.2254, 1.7444)
Luminance	0.0622 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E19 #193F64

analogous

#64191A #643E19 #646419

triadic

#643E19 #19643E #3E1964

tetradic

#643E19 #1A6419 #193F64 #641964

square

#643E19 #1A6419 #193F64 #641964

split-complementary

#643E19 #196464 #191A64

monochromatic

#180F06 #33200D #643E19 #955C25 #C67B31

Accessibility & contrast

On white

9.35

#643E19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643E19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E19

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E19	#FFFFFF	#000000	##FFFFFF
##643E19	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4115

Deuteranopia (green-blind)

#534A19

Tritanopia (blue-blind)

#6E3636

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e19;
/* rgb */ color: rgb(100, 62, 25);
/* oklch */ color: oklch(40.1% 0.074 62.0);

Tailwind

colors: {
  custom: {
    50: '#947357',
    500: '#643e19',
    950: '#000000',
  },
}

SCSS

$custom: #643e19;
$custom-light: #947357;
$custom-dark: #000000;

JSON

{
  "hex": "#643e19",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 25
  },
  "hsl": {
    "h": 29.6,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.40111,
    "c": 0.07368,
    "h": 62
  },
  "luminance": 0.06225
}

Semantic roles & 50–950 ramp

primary

#643E19

secondary

#3F6D9A

accent

#95E345

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643E19

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

Preview Lab → · Contrast checker → · Palette generator →