#643815#643815

#643815 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.9% C 0.079 H 55.8°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#643815
RGB	rgb(100, 56, 21)
HSL	hsl(27, 65%, 24%)
HSV	hsv(27, 79%, 39%)
CMYK	cmyk(0%, 44%, 79%, 60.8%)
CIE-LAB	lab(28.36, 16.42, 29.29)
CIE-LCH	lch(28.36, 33.58, 60.73°)
OKLab	oklab(38.85% 0.0442 0.0651)
OKLCH	oklch(38.85% 0.079 55.8)
XYZ	xyz(6.8056, 5.5925, 1.4304)
Luminance	0.0559 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643815 #154164

analogous

#641519 #643815 #645F15

triadic

#643815 #156438 #381564

tetradic

#643815 #196415 #154164 #5F1564

square

#643815 #196415 #154164 #5F1564

split-complementary

#643815 #15645F #151964

monochromatic

#190E05 #311C0A #643815 #975420 #C9712A

Accessibility & contrast

On white

9.91

#643815 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#643815 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643815

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643815	#FFFFFF	#000000	##FFFFFF
##643815	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D11

Deuteranopia (green-blind)

#4F4715

Tritanopia (blue-blind)

#6E2F31

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643815;
/* rgb */ color: rgb(100, 56, 21);
/* oklch */ color: oklch(38.9% 0.079 55.8);

Tailwind

colors: {
  custom: {
    50: '#956f54',
    500: '#643815',
    950: '#000000',
  },
}

SCSS

$custom: #643815;
$custom-light: #956f54;
$custom-dark: #000000;

JSON

{
  "hex": "#643815",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 21
  },
  "hsl": {
    "h": 26.582,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3885,
    "c": 0.07871,
    "h": 55.8
  },
  "luminance": 0.05592
}

Semantic roles & 50–950 ramp

primary

#643815

secondary

#3A709B

accent

#9EE840

background

#F9F6F4

surface

#F2ECE8

border

#CCC7C4

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643815

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

Preview Lab → · Contrast checker → · Palette generator →