#643813#643813

#643813 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.8% C 0.080 H 56.9°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#643813
RGB	rgb(100, 56, 19)
HSL	hsl(27, 68%, 23%)
HSV	hsv(27, 81%, 39%)
CMYK	cmyk(0%, 44%, 81%, 60.8%)
CIE-LAB	lab(28.34, 16.32, 30.31)
CIE-LCH	lch(28.34, 34.43, 61.71°)
OKLab	oklab(38.83% 0.0436 0.0668)
OKLCH	oklch(38.83% 0.08 56.9)
XYZ	xyz(6.7878, 5.5854, 1.3366)
Luminance	0.0558 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643813 #133F64

analogous

#641317 #643813 #646013

triadic

#643813 #136438 #381364

tetradic

#643813 #176413 #133F64 #601364

square

#643813 #176413 #133F64 #601364

split-complementary

#643813 #136460 #131764

monochromatic

#1A0E05 #311B09 #643813 #97551D #CB7227

Accessibility & contrast

On white

9.92

#643813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#643813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643813

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643813	#FFFFFF	#000000	##FFFFFF
##643813	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D0E

Deuteranopia (green-blind)

#504713

Tritanopia (blue-blind)

#6E2E30

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643813;
/* rgb */ color: rgb(100, 56, 19);
/* oklch */ color: oklch(38.8% 0.080 56.9);

Tailwind

colors: {
  custom: {
    50: '#956f53',
    500: '#643813',
    950: '#000000',
  },
}

SCSS

$custom: #643813;
$custom-light: #956f53;
$custom-dark: #000000;

JSON

{
  "hex": "#643813",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 19
  },
  "hsl": {
    "h": 27.407,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.38829,
    "c": 0.07976,
    "h": 56.9
  },
  "luminance": 0.05585
}

Semantic roles & 50–950 ramp

primary

#643813

secondary

#376E9C

accent

#9BEB3D

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643813

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

Preview Lab → · Contrast checker → · Palette generator →