#644D17#644D17

#644D17 is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.4% C 0.076 H 84.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#644D17
RGB	rgb(100, 77, 23)
HSL	hsl(42, 63%, 24%)
HSV	hsv(42, 77%, 39%)
CMYK	cmyk(0%, 23%, 77%, 60.8%)
CIE-LAB	lab(34.15, 3.56, 34.18)
CIE-LCH	lch(34.15, 34.36, 84.06°)
OKLab	oklab(43.36% 0.0067 0.076)
OKLCH	oklch(43.36% 0.076 84.9)
XYZ	xyz(8.0645, 8.0795, 1.9452)
Luminance	0.0808 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D17 #172E64

analogous

#642717 #644D17 #556417

triadic

#644D17 #17644D #4D1764

tetradic

#644D17 #176427 #172E64 #641755

square

#644D17 #176427 #172E64 #641755

split-complementary

#644D17 #175564 #271764

monochromatic

#191306 #32270C #644D17 #967322 #C89A2E

Accessibility & contrast

On white

8.03

#644D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#644D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D17

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D17	#FFFFFF	#000000	##FFFFFF
##644D17	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D0F

Deuteranopia (green-blind)

#5D5319

Tritanopia (blue-blind)

#6D4542

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644d17;
/* rgb */ color: rgb(100, 77, 23);
/* oklch */ color: oklch(43.4% 0.076 84.9);

Tailwind

colors: {
  custom: {
    50: '#937e58',
    500: '#644d17',
    950: '#000000',
  },
}

SCSS

$custom: #644d17;
$custom-light: #937e58;
$custom-dark: #000000;

JSON

{
  "hex": "#644d17",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 23
  },
  "hsl": {
    "h": 42.078,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.43363,
    "c": 0.07629,
    "h": 84.9
  },
  "luminance": 0.08079
}

Semantic roles & 50–950 ramp

primary

#644D17

secondary

#3C589A

accent

#73E642

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0903

muted

#7E7B78

Preview Lab

Preview with #644D17

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

Preview Lab → · Contrast checker → · Palette generator →