#643E16#643E16

#643E16 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.076 H 63.6°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#643E16
RGB	rgb(100, 62, 22)
HSL	hsl(31, 64%, 24%)
HSV	hsv(31, 78%, 39%)
CMYK	cmyk(0%, 38%, 78%, 60.8%)
CIE-LAB	lab(29.94, 12.77, 30.40)
CIE-LCH	lch(29.94, 32.98, 67.21°)
OKLab	oklab(40.08% 0.0336 0.0677)
OKLCH	oklch(40.08% 0.076 63.6)
XYZ	xyz(7.1235, 6.2132, 1.5830)
Luminance	0.0621 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E16 #163C64

analogous

#641716 #643E16 #636416

triadic

#643E16 #16643E #3E1664

tetradic

#643E16 #166417 #163C64 #641663

square

#643E16 #166417 #163C64 #641663

split-complementary

#643E16 #166364 #171664

monochromatic

#191006 #321F0B #643E16 #965D21 #C87C2C

Accessibility & contrast

On white

9.36

#643E16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643E16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E16

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E16	#FFFFFF	#000000	##FFFFFF
##643E16	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4111

Deuteranopia (green-blind)

#534A17

Tritanopia (blue-blind)

#6E3536

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e16;
/* rgb */ color: rgb(100, 62, 22);
/* oklch */ color: oklch(40.1% 0.076 63.6);

Tailwind

colors: {
  custom: {
    50: '#947356',
    500: '#643e16',
    950: '#000000',
  },
}

SCSS

$custom: #643e16;
$custom-light: #947356;
$custom-dark: #000000;

JSON

{
  "hex": "#643e16",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 22
  },
  "hsl": {
    "h": 30.769,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.40078,
    "c": 0.07558,
    "h": 63.6
  },
  "luminance": 0.06213
}

Semantic roles & 50–950 ramp

primary

#643E16

secondary

#3B6A9B

accent

#92E741

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643E16

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

Preview Lab → · Contrast checker → · Palette generator →