#644C22#644C22

#644C22 is a dark, moderate orange. Relative luminance 0.080; OKLCH L 43.3% C 0.067 H 79.4°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#644C22
RGB	rgb(100, 76, 34)
HSL	hsl(38, 49%, 26%)
HSV	hsv(38, 66%, 39%)
CMYK	cmyk(0%, 24%, 66%, 60.8%)
CIE-LAB	lab(33.97, 4.90, 28.36)
CIE-LCH	lch(33.97, 28.78, 80.19°)
OKLab	oklab(43.26% 0.0123 0.0656)
OKLCH	oklch(43.26% 0.067 79.4)
XYZ	xyz(8.1292, 7.9942, 2.6279)
Luminance	0.0799 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C22 #223A64

analogous

#642B22 #644C22 #5B6422

triadic

#644C22 #22644C #4C2264

tetradic

#644C22 #22642B #223A64 #64225B

square

#644C22 #22642B #223A64 #64225B

split-complementary

#644C22 #225B64 #2B2264

monochromatic

#171108 #362912 #644C22 #926F32 #BF9142

Accessibility & contrast

On white

8.08

#644C22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#644C22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C22

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C22	#FFFFFF	#000000	##FFFFFF
##644C22	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C1E

Deuteranopia (green-blind)

#5B5223

Tritanopia (blue-blind)

#6D4543

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644c22;
/* rgb */ color: rgb(100, 76, 34);
/* oklch */ color: oklch(43.3% 0.067 79.4);

Tailwind

colors: {
  custom: {
    50: '#937d5f',
    500: '#644c22',
    950: '#000000',
  },
}

SCSS

$custom: #644c22;
$custom-light: #937d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#644c22",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 34
  },
  "hsl": {
    "h": 38.182,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.4326,
    "c": 0.06677,
    "h": 79.4
  },
  "luminance": 0.07994
}

Semantic roles & 50–950 ramp

primary

#644C22

secondary

#4A6698

accent

#81D94F

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0904

muted

#7E7B79

Preview Lab

Preview with #644C22

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

Preview Lab → · Contrast checker → · Palette generator →