#643F16#643F16

#643F16 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.3% C 0.075 H 65.1°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#643F16
RGB	rgb(100, 63, 22)
HSL	hsl(32, 64%, 24%)
HSV	hsv(32, 78%, 39%)
CMYK	cmyk(0%, 37%, 78%, 60.8%)
CIE-LAB	lab(30.21, 12.16, 30.68)
CIE-LCH	lch(30.21, 33.00, 68.38°)
OKLab	oklab(40.29% 0.0317 0.0683)
OKLCH	oklch(40.29% 0.075 65.1)
XYZ	xyz(7.1784, 6.3229, 1.6013)
Luminance	0.0632 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F16 #163B64

analogous

#641816 #643F16 #626416

triadic

#643F16 #16643F #3F1664

tetradic

#643F16 #166418 #163B64 #641662

square

#643F16 #166418 #163B64 #641662

split-complementary

#643F16 #166264 #181664

monochromatic

#191006 #321F0B #643F16 #965F21 #C87E2C

Accessibility & contrast

On white

9.27

#643F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F16

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F16	#FFFFFF	#000000	##FFFFFF
##643F16	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4211

Deuteranopia (green-blind)

#544B17

Tritanopia (blue-blind)

#6E3636

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643f16;
/* rgb */ color: rgb(100, 63, 22);
/* oklch */ color: oklch(40.3% 0.075 65.1);

Tailwind

colors: {
  custom: {
    50: '#947456',
    500: '#643f16',
    950: '#000000',
  },
}

SCSS

$custom: #643f16;
$custom-light: #947456;
$custom-dark: #000000;

JSON

{
  "hex": "#643f16",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 22
  },
  "hsl": {
    "h": 31.538,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.40286,
    "c": 0.07532,
    "h": 65.1
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary

#643F16

secondary

#3B689B

accent

#90E741

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643F16

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

Preview Lab → · Contrast checker → · Palette generator →