#643A13#643A13

#643A13 is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.2% C 0.079 H 59.5°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#643A13
RGB	rgb(100, 58, 19)
HSL	hsl(29, 68%, 23%)
HSV	hsv(29, 81%, 39%)
CMYK	cmyk(0%, 42%, 81%, 60.8%)
CIE-LAB	lab(28.86, 15.09, 30.83)
CIE-LCH	lch(28.86, 34.32, 63.92°)
OKLab	oklab(39.23% 0.0399 0.0679)
OKLCH	oklch(39.23% 0.079 59.5)
XYZ	xyz(6.8867, 5.7832, 1.3696)
Luminance	0.0578 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A13 #133D64

analogous

#641314 #643A13 #646213

triadic

#643A13 #13643A #3A1364

tetradic

#643A13 #146413 #133D64 #621364

square

#643A13 #146413 #133D64 #621364

split-complementary

#643A13 #136462 #131464

monochromatic

#1A0F05 #311C09 #643A13 #97581D #CB7627

Accessibility & contrast

On white

9.74

#643A13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#643A13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A13

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A13	#FFFFFF	#000000	##FFFFFF
##643A13	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)

#473E0E

Deuteranopia (green-blind)

#514813

Tritanopia (blue-blind)

#6E3132

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a13;
/* rgb */ color: rgb(100, 58, 19);
/* oklch */ color: oklch(39.2% 0.079 59.5);

Tailwind

colors: {
  custom: {
    50: '#957053',
    500: '#643a13',
    950: '#000000',
  },
}

SCSS

$custom: #643a13;
$custom-light: #957053;
$custom-dark: #000000;

JSON

{
  "hex": "#643a13",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 19
  },
  "hsl": {
    "h": 28.889,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.39228,
    "c": 0.07877,
    "h": 59.5
  },
  "luminance": 0.05782
}

Semantic roles & 50–950 ramp

primary

#643A13

secondary

#376B9C

accent

#97EB3D

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643A13

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

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