#643D15#643D15

#643D15 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.076 H 62.7°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#643D15
RGB	rgb(100, 61, 21)
HSL	hsl(30, 65%, 24%)
HSV	hsv(30, 79%, 39%)
CMYK	cmyk(0%, 39%, 79%, 60.8%)
CIE-LAB	lab(29.67, 13.34, 30.63)
CIE-LCH	lch(29.67, 33.41, 66.47°)
OKLab	oklab(39.86% 0.0351 0.068)
OKLCH	oklch(39.86% 0.076 62.7)
XYZ	xyz(7.0602, 6.1016, 1.5152)
Luminance	0.0610 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D15 #153C64

analogous

#641615 #643D15 #636415

triadic

#643D15 #15643D #3D1564

tetradic

#643D15 #156416 #153C64 #641563

square

#643D15 #156416 #153C64 #641563

split-complementary

#643D15 #156364 #161564

monochromatic

#190F05 #311E0A #643D15 #975C20 #C97B2A

Accessibility & contrast

On white

9.46

#643D15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643D15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D15

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D15	#FFFFFF	#000000	##FFFFFF
##643D15	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)

#494010

Deuteranopia (green-blind)

#524916

Tritanopia (blue-blind)

#6E3435

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d15;
/* rgb */ color: rgb(100, 61, 21);
/* oklch */ color: oklch(39.9% 0.076 62.7);

Tailwind

colors: {
  custom: {
    50: '#947255',
    500: '#643d15',
    950: '#000000',
  },
}

SCSS

$custom: #643d15;
$custom-light: #947255;
$custom-dark: #000000;

JSON

{
  "hex": "#643d15",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 21
  },
  "hsl": {
    "h": 30.38,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3986,
    "c": 0.07649,
    "h": 62.7
  },
  "luminance": 0.06101
}

Semantic roles & 50–950 ramp

primary

#643D15

secondary

#3A6A9B

accent

#93E840

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643D15

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

Preview Lab → · Contrast checker → · Palette generator →