#644E23#644E23

#644E23 is a dark, moderate orange. Relative luminance 0.083; OKLCH L 43.7% C 0.067 H 82.2°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#644E23
RGB	rgb(100, 78, 35)
HSL	hsl(40, 48%, 26%)
HSV	hsv(40, 65%, 39%)
CMYK	cmyk(0%, 22%, 65%, 60.8%)
CIE-LAB	lab(34.56, 3.75, 28.48)
CIE-LCH	lch(34.56, 28.73, 82.49°)
OKLab	oklab(43.73% 0.0091 0.066)
OKLCH	oklch(43.73% 0.067 82.2)
XYZ	xyz(8.2837, 8.2800, 2.7517)
Luminance	0.0828 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E23 #233964

analogous

#642E23 #644E23 #5A6423

triadic

#644E23 #23644E #4E2364

tetradic

#644E23 #23642E #233964 #64235A

square

#644E23 #23642E #233964 #64235A

split-complementary

#644E23 #235A64 #2E2364

monochromatic

#171208 #372B13 #644E23 #917133 #BE9444

Accessibility & contrast

On white

7.91

#644E23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#644E23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E23

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E23	#FFFFFF	#000000	##FFFFFF
##644E23	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E1F

Deuteranopia (green-blind)

#5D5424

Tritanopia (blue-blind)

#6C4744

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644e23;
/* rgb */ color: rgb(100, 78, 35);
/* oklch */ color: oklch(43.7% 0.067 82.2);

Tailwind

colors: {
  custom: {
    50: '#937f5f',
    500: '#644e23',
    950: '#000000',
  },
}

SCSS

$custom: #644e23;
$custom-light: #937f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#644e23",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 35
  },
  "hsl": {
    "h": 39.692,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.43726,
    "c": 0.06665,
    "h": 82.2
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#644E23

secondary

#4B6598

accent

#7ED850

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A05

muted

#7E7C79

Preview Lab

Preview with #644E23

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

Preview Lab → · Contrast checker → · Palette generator →