#643A11#643A11

#643A11 is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.2% C 0.080 H 60.5°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#643A11
RGB	rgb(100, 58, 17)
HSL	hsl(30, 71%, 23%)
HSV	hsv(30, 83%, 39%)
CMYK	cmyk(0%, 42%, 83%, 60.8%)
CIE-LAB	lab(28.84, 15.00, 31.80)
CIE-LCH	lch(28.84, 35.16, 64.75°)
OKLab	oklab(39.21% 0.0393 0.0694)
OKLCH	oklch(39.21% 0.08 60.5)
XYZ	xyz(6.8703, 5.7766, 1.2834)
Luminance	0.0578 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A11 #113B64

analogous

#641111 #643A11 #646311

triadic

#643A11 #11643A #3A1164

tetradic

#643A11 #116411 #113B64 #631164

square

#643A11 #116411 #113B64 #631164

split-complementary

#643A11 #116463 #111164

monochromatic

#1A0F04 #301C08 #643A11 #98581A #CD7723

Accessibility & contrast

On white

9.74

#643A11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#643A11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A11

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A11	#FFFFFF	#000000	##FFFFFF
##643A11	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473E0B

Deuteranopia (green-blind)

#514811

Tritanopia (blue-blind)

#6E3132

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a11;
/* rgb */ color: rgb(100, 58, 17);
/* oklch */ color: oklch(39.2% 0.080 60.5);

Tailwind

colors: {
  custom: {
    50: '#957052',
    500: '#643a11',
    950: '#000000',
  },
}

SCSS

$custom: #643a11;
$custom-light: #957052;
$custom-dark: #000000;

JSON

{
  "hex": "#643a11",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 17
  },
  "hsl": {
    "h": 29.639,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3921,
    "c": 0.07981,
    "h": 60.5
  },
  "luminance": 0.05776
}

Semantic roles & 50–950 ramp

primary

#643A11

secondary

#35699C

accent

#95EE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643A11

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

Preview Lab → · Contrast checker → · Palette generator →