#643018#643018

#643018 is a dark, moderate orange. Relative luminance 0.049; OKLCH L 37.4% C 0.083 H 44.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#643018
RGB	rgb(100, 48, 24)
HSL	hsl(19, 61%, 24%)
HSV	hsv(19, 76%, 39%)
CMYK	cmyk(0%, 52%, 76%, 60.8%)
CIE-LAB	lab(26.42, 21.40, 25.55)
CIE-LCH	lch(26.42, 33.33, 50.05°)
OKLab	oklab(37.37% 0.0598 0.0578)
OKLCH	oklch(37.37% 0.083 44)
XYZ	xyz(6.4779, 4.8899, 1.4667)
Luminance	0.0489 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643018 #184C64

analogous

#641826 #643018 #645618

triadic

#643018 #186430 #301864

tetradic

#643018 #266418 #184C64 #561864

square

#643018 #266418 #184C64 #561864

split-complementary

#643018 #186456 #182664

monochromatic

#190C06 #33180C #643018 #954824 #C75F30

Accessibility & contrast

On white

10.62

#643018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#643018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643018

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643018	#FFFFFF	#000000	##FFFFFF
##643018	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3715

Deuteranopia (green-blind)

#4B4317

Tritanopia (blue-blind)

#6E252B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #643018;
/* rgb */ color: rgb(100, 48, 24);
/* oklch */ color: oklch(37.4% 0.083 44.0);

Tailwind

colors: {
  custom: {
    50: '#956956',
    500: '#643018',
    950: '#000000',
  },
}

SCSS

$custom: #643018;
$custom-light: #956956;
$custom-dark: #000000;

JSON

{
  "hex": "#643018",
  "rgb": {
    "r": 100,
    "g": 48,
    "b": 24
  },
  "hsl": {
    "h": 18.947,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37369,
    "c": 0.08317,
    "h": 44
  },
  "luminance": 0.04889
}

Semantic roles & 50–950 ramp

primary

#643018

secondary

#3E7D9A

accent

#B2E443

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0603

muted

#7E7A78

Preview Lab

Preview with #643018

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

Preview Lab → · Contrast checker → · Palette generator →