#643D16#643D16

#643D16 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.076 H 62.2°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#643D16
RGB	rgb(100, 61, 22)
HSL	hsl(30, 64%, 24%)
HSV	hsv(30, 78%, 39%)
CMYK	cmyk(0%, 39%, 78%, 60.8%)
CIE-LAB	lab(29.68, 13.39, 30.13)
CIE-LCH	lch(29.68, 32.97, 66.03°)
OKLab	oklab(39.87% 0.0354 0.0671)
OKLCH	oklch(39.87% 0.076 62.2)
XYZ	xyz(7.0696, 6.1054, 1.5650)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D16 #163D64

analogous

#641616 #643D16 #646416

triadic

#643D16 #16643D #3D1664

tetradic

#643D16 #166416 #163D64 #641664

square

#643D16 #166416 #163D64 #641664

split-complementary

#643D16 #166464 #161664

monochromatic

#190F06 #321E0B #643D16 #965C21 #C87A2C

Accessibility & contrast

On white

9.46

#643D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D16

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D16	#FFFFFF	#000000	##FFFFFF
##643D16	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494111

Deuteranopia (green-blind)

#524916

Tritanopia (blue-blind)

#6E3435

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d16;
/* rgb */ color: rgb(100, 61, 22);
/* oklch */ color: oklch(39.9% 0.076 62.2);

Tailwind

colors: {
  custom: {
    50: '#947255',
    500: '#643d16',
    950: '#000000',
  },
}

SCSS

$custom: #643d16;
$custom-light: #947255;
$custom-dark: #000000;

JSON

{
  "hex": "#643d16",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 22
  },
  "hsl": {
    "h": 30,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3987,
    "c": 0.07589,
    "h": 62.2
  },
  "luminance": 0.06105
}

Semantic roles & 50–950 ramp

primary

#643D16

secondary

#3B6B9B

accent

#94E741

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643D16

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

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