#643F26#643F26

#643F26 is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.064 H 53.9°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#643F26
RGB	rgb(100, 63, 38)
HSL	hsl(24, 45%, 27%)
HSV	hsv(24, 62%, 39%)
CMYK	cmyk(0%, 37%, 62%, 60.8%)
CIE-LAB	lab(30.41, 13.29, 21.84)
CIE-LCH	lch(30.41, 25.56, 58.67°)
OKLab	oklab(40.5% 0.0378 0.0519)
OKLCH	oklch(40.5% 0.064 53.9)
XYZ	xyz(7.3834, 6.4049, 2.6808)
Luminance	0.0640 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F26 #264B64

analogous

#64262C #643F26 #645E26

triadic

#643F26 #26643F #3F2664

tetradic

#643F26 #2C6426 #264B64 #5E2664

square

#643F26 #2C6426 #264B64 #5E2664

split-complementary

#643F26 #26645E #262C64

monochromatic

#160E08 #382315 #643F26 #905B37 #BA774A

Accessibility & contrast

On white

9.21

#643F26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#643F26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F26

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F26	#FFFFFF	#000000	##FFFFFF
##643F26	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4324

Deuteranopia (green-blind)

#524B26

Tritanopia (blue-blind)

#6D3839

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643f26;
/* rgb */ color: rgb(100, 63, 38);
/* oklch */ color: oklch(40.5% 0.064 53.9);

Tailwind

colors: {
  custom: {
    50: '#937461',
    500: '#643f26',
    950: '#000000',
  },
}

SCSS

$custom: #643f26;
$custom-light: #937461;
$custom-dark: #000000;

JSON

{
  "hex": "#643f26",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 38
  },
  "hsl": {
    "h": 24.194,
    "s": 44.928,
    "l": 27.059
  },
  "oklch": {
    "l": 0.40504,
    "c": 0.06421,
    "h": 53.9
  },
  "luminance": 0.06404
}

Semantic roles & 50–950 ramp

primary

#643F26

secondary

#4F7A97

accent

#A0D553

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643F26

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

Preview Lab → · Contrast checker → · Palette generator →