#643E15#643E15

#643E15 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.076 H 64.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#643E15
RGB	rgb(100, 62, 21)
HSL	hsl(31, 65%, 24%)
HSV	hsv(31, 79%, 39%)
CMYK	cmyk(0%, 38%, 79%, 60.8%)
CIE-LAB	lab(29.93, 12.72, 30.90)
CIE-LCH	lch(29.93, 33.42, 67.62°)
OKLab	oklab(40.07% 0.0332 0.0686)
OKLCH	oklch(40.07% 0.076 64.1)
XYZ	xyz(7.1141, 6.2094, 1.5332)
Luminance	0.0621 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E15 #153B64

analogous

#641615 #643E15 #626415

triadic

#643E15 #15643E #3E1564

tetradic

#643E15 #156416 #153B64 #641562

square

#643E15 #156416 #153B64 #641562

split-complementary

#643E15 #156264 #161564

monochromatic

#191005 #311F0A #643E15 #975D20 #C97D2A

Accessibility & contrast

On white

9.37

#643E15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643E15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E15

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E15	#FFFFFF	#000000	##FFFFFF
##643E15	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4110

Deuteranopia (green-blind)

#534A16

Tritanopia (blue-blind)

#6E3535

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643e15;
/* rgb */ color: rgb(100, 62, 21);
/* oklch */ color: oklch(40.1% 0.076 64.1);

Tailwind

colors: {
  custom: {
    50: '#947355',
    500: '#643e15',
    950: '#000000',
  },
}

SCSS

$custom: #643e15;
$custom-light: #947355;
$custom-dark: #000000;

JSON

{
  "hex": "#643e15",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 21
  },
  "hsl": {
    "h": 31.139,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.40067,
    "c": 0.07619,
    "h": 64.1
  },
  "luminance": 0.06209
}

Semantic roles & 50–950 ramp

primary

#643E15

secondary

#3A699B

accent

#91E840

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643E15

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

Preview Lab → · Contrast checker → · Palette generator →