#644C19#644C19

#644C19 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.2% C 0.074 H 83.0°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#644C19
RGB	rgb(100, 76, 25)
HSL	hsl(41, 60%, 25%)
HSV	hsv(41, 75%, 39%)
CMYK	cmyk(0%, 24%, 75%, 60.8%)
CIE-LAB	lab(33.88, 4.28, 32.95)
CIE-LCH	lch(33.88, 33.22, 82.59°)
OKLab	oklab(43.16% 0.0091 0.0738)
OKLCH	oklch(43.16% 0.074 83)
XYZ	xyz(8.0159, 7.9490, 2.0316)
Luminance	0.0795 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C19 #193164

analogous

#642719 #644C19 #576419

triadic

#644C19 #19644C #4C1964

tetradic

#644C19 #196427 #193164 #641957

square

#644C19 #196427 #193164 #641957

split-complementary

#644C19 #195764 #271964

monochromatic

#181306 #33270D #644C19 #957125 #C69631

Accessibility & contrast

On white

8.11

#644C19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#644C19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C19

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C19	#FFFFFF	#000000	##FFFFFF
##644C19	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C12

Deuteranopia (green-blind)

#5C521B

Tritanopia (blue-blind)

#6D4541

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644c19;
/* rgb */ color: rgb(100, 76, 25);
/* oklch */ color: oklch(43.2% 0.074 83.0);

Tailwind

colors: {
  custom: {
    50: '#937d59',
    500: '#644c19',
    950: '#000000',
  },
}

SCSS

$custom: #644c19;
$custom-light: #937d59;
$custom-dark: #000000;

JSON

{
  "hex": "#644c19",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 25
  },
  "hsl": {
    "h": 40.8,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.43156,
    "c": 0.07437,
    "h": 83
  },
  "luminance": 0.07948
}

Semantic roles & 50–950 ramp

primary

#644C19

secondary

#3F5C9A

accent

#77E345

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0903

muted

#7E7B78

Preview Lab

Preview with #644C19

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

Preview Lab → · Contrast checker → · Palette generator →