#643B11#643B11

#643B11 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.4% C 0.079 H 61.8°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#643B11
RGB	rgb(100, 59, 17)
HSL	hsl(30, 71%, 23%)
HSV	hsv(30, 83%, 39%)
CMYK	cmyk(0%, 41%, 83%, 60.8%)
CIE-LAB	lab(29.10, 14.38, 32.05)
CIE-LCH	lch(29.10, 35.13, 65.83°)
OKLab	oklab(39.41% 0.0375 0.07)
OKLCH	oklch(39.41% 0.079 61.8)
XYZ	xyz(6.9213, 5.8784, 1.3004)
Luminance	0.0588 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B11 #113A64

analogous

#641111 #643B11 #636411

triadic

#643B11 #11643B #3B1164

tetradic

#643B11 #116411 #113A64 #641163

square

#643B11 #116411 #113A64 #641163

split-complementary

#643B11 #116364 #111164

monochromatic

#1A0F04 #301C08 #643B11 #985A1A #CD7923

Accessibility & contrast

On white

9.65

#643B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#643B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B11

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B11	#FFFFFF	#000000	##FFFFFF
##643B11	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F0B

Deuteranopia (green-blind)

#514811

Tritanopia (blue-blind)

#6E3233

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643b11;
/* rgb */ color: rgb(100, 59, 17);
/* oklch */ color: oklch(39.4% 0.079 61.8);

Tailwind

colors: {
  custom: {
    50: '#957152',
    500: '#643b11',
    950: '#000000',
  },
}

SCSS

$custom: #643b11;
$custom-light: #957152;
$custom-dark: #000000;

JSON

{
  "hex": "#643b11",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 30.361,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.39413,
    "c": 0.0794,
    "h": 61.8
  },
  "luminance": 0.05878
}

Semantic roles & 50–950 ramp

primary

#643B11

secondary

#35689C

accent

#93EE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643B11

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

Preview Lab → · Contrast checker → · Palette generator →