#644B22#644B22

#644B22 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.0% C 0.066 H 77.8°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#644B22
RGB	rgb(100, 75, 34)
HSL	hsl(37, 49%, 26%)
HSV	hsv(37, 66%, 39%)
CMYK	cmyk(0%, 25%, 66%, 60.8%)
CIE-LAB	lab(33.68, 5.52, 28.03)
CIE-LCH	lch(33.68, 28.57, 78.86°)
OKLab	oklab(43.04% 0.0141 0.0649)
OKLCH	oklch(43.04% 0.066 77.8)
XYZ	xyz(8.0608, 7.8575, 2.6052)
Luminance	0.0786 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B22 #223B64

analogous

#642A22 #644B22 #5C6422

triadic

#644B22 #22644B #4B2264

tetradic

#644B22 #22642A #223B64 #64225C

square

#644B22 #22642A #223B64 #64225C

split-complementary

#644B22 #225C64 #2A2264

monochromatic

#171108 #362912 #644B22 #926D32 #BF8F42

Accessibility & contrast

On white

8.17

#644B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#644B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B22

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B22	#FFFFFF	#000000	##FFFFFF
##644B22	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C1E

Deuteranopia (green-blind)

#5B5223

Tritanopia (blue-blind)

#6D4442

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b22;
/* rgb */ color: rgb(100, 75, 34);
/* oklch */ color: oklch(43.0% 0.066 77.8);

Tailwind

colors: {
  custom: {
    50: '#937d5f',
    500: '#644b22',
    950: '#000000',
  },
}

SCSS

$custom: #644b22;
$custom-light: #937d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#644b22",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 34
  },
  "hsl": {
    "h": 37.273,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.43036,
    "c": 0.06643,
    "h": 77.8
  },
  "luminance": 0.07857
}

Semantic roles & 50–950 ramp

primary

#644B22

secondary

#4A6798

accent

#83D94F

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0904

muted

#7E7B79

Preview Lab

Preview with #644B22

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

Preview Lab → · Contrast checker → · Palette generator →