#644538#644538

#644538 is a dark, muted orange. Relative luminance 0.073; OKLCH L 42.1% C 0.048 H 43.7°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#644538
RGB	rgb(100, 69, 56)
HSL	hsl(18, 28%, 31%)
HSV	hsv(18, 44%, 39%)
CMYK	cmyk(0%, 31%, 44%, 60.8%)
CIE-LAB	lab(32.37, 11.51, 13.18)
CIE-LCH	lch(32.37, 17.49, 48.86°)
OKLab	oklab(42.13% 0.0347 0.0331)
OKLCH	oklch(42.13% 0.048 43.7)
XYZ	xyz(8.0978, 7.2516, 4.7138)
Luminance	0.0725 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644538 #385764

analogous

#643841 #644538 #645B38

triadic

#644538 #386445 #453864

tetradic

#644538 #416438 #385764 #5B3864

square

#644538 #416438 #385764 #5B3864

split-complementary

#644538 #38645B #384164

monochromatic

#160F0C #3D2A22 #644538 #8B604E #AC7E6B

Accessibility & contrast

On white

8.57

#644538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#644538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644538

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644538	#FFFFFF	#000000	##FFFFFF
##644538	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4837

Deuteranopia (green-blind)

#544F38

Tritanopia (blue-blind)

#6B4042

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #644538;
/* rgb */ color: rgb(100, 69, 56);
/* oklch */ color: oklch(42.1% 0.048 43.7);

Tailwind

colors: {
  custom: {
    50: '#91786e',
    500: '#644538',
    950: '#000000',
  },
}

SCSS

$custom: #644538;
$custom-light: #91786e;
$custom-dark: #000000;

JSON

{
  "hex": "#644538",
  "rgb": {
    "r": 100,
    "g": 69,
    "b": 56
  },
  "hsl": {
    "h": 17.727,
    "s": 28.205,
    "l": 30.588
  },
  "oklch": {
    "l": 0.42133,
    "c": 0.04795,
    "h": 43.7
  },
  "luminance": 0.07251
}

Semantic roles & 50–950 ramp

primary

#644538

secondary

#638694

accent

#A8C563

background

#F9F7F6

surface

#F1EDEC

border

#CBC8C7

text

#0D0907

muted

#7E7B7A

Preview Lab

Preview with #644538

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

Preview Lab → · Contrast checker → · Palette generator →