#643313#643313

#643313 is a dark, moderate orange. Relative luminance 0.051; OKLCH L 37.9% C 0.083 H 50.6°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#643313
RGB	rgb(100, 51, 19)
HSL	hsl(24, 68%, 23%)
HSV	hsv(24, 81%, 39%)
CMYK	cmyk(0%, 49%, 81%, 60.8%)
CIE-LAB	lab(27.09, 19.35, 29.05)
CIE-LCH	lch(27.09, 34.91, 56.34°)
OKLab	oklab(37.86% 0.0527 0.0641)
OKLCH	oklch(37.86% 0.083 50.6)
XYZ	xyz(6.5575, 5.1247, 1.2598)
Luminance	0.0512 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643313 #134464

analogous

#64131B #643313 #645B13

triadic

#643313 #136433 #331364

tetradic

#643313 #1B6413 #134464 #5B1364

square

#643313 #1B6413 #134464 #5B1364

split-complementary

#643313 #13645B #131B64

monochromatic

#1A0D05 #311909 #643313 #974D1D #CB6727

Accessibility & contrast

On white

10.37

#643313 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#643313 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643313

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643313	#FFFFFF	#000000	##FFFFFF
##643313	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41390F

Deuteranopia (green-blind)

#4D4412

Tritanopia (blue-blind)

#6E292C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #643313;
/* rgb */ color: rgb(100, 51, 19);
/* oklch */ color: oklch(37.9% 0.083 50.6);

Tailwind

colors: {
  custom: {
    50: '#956b53',
    500: '#643313',
    950: '#000000',
  },
}

SCSS

$custom: #643313;
$custom-light: #956b53;
$custom-dark: #000000;

JSON

{
  "hex": "#643313",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 19
  },
  "hsl": {
    "h": 23.704,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.37864,
    "c": 0.08296,
    "h": 50.6
  },
  "luminance": 0.05124
}

Semantic roles & 50–950 ramp

primary

#643313

secondary

#37749C

accent

#A6EB3D

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0602

muted

#7E7A78

Preview Lab

Preview with #643313

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

Preview Lab → · Contrast checker → · Palette generator →