#644B17#644B17

#644B17 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.075 H 82.2°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#644B17
RGB	rgb(100, 75, 23)
HSL	hsl(41, 63%, 24%)
HSV	hsv(41, 77%, 39%)
CMYK	cmyk(0%, 25%, 77%, 60.8%)
CIE-LAB	lab(33.57, 4.78, 33.60)
CIE-LCH	lch(33.57, 33.94, 81.90°)
OKLab	oklab(42.91% 0.0103 0.0748)
OKLCH	oklch(42.91% 0.075 82.2)
XYZ	xyz(7.9268, 7.8039, 1.8993)
Luminance	0.0780 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B17 #173064

analogous

#642417 #644B17 #576417

triadic

#644B17 #17644B #4B1764

tetradic

#644B17 #176424 #173064 #641757

square

#644B17 #176424 #173064 #641757

split-complementary

#644B17 #175764 #241764

monochromatic

#191306 #32260C #644B17 #967022 #C8962E

Accessibility & contrast

On white

8.20

#644B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#644B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B17

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B17	#FFFFFF	#000000	##FFFFFF
##644B17	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B10

Deuteranopia (green-blind)

#5B5219

Tritanopia (blue-blind)

#6D4340

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b17;
/* rgb */ color: rgb(100, 75, 23);
/* oklch */ color: oklch(42.9% 0.075 82.2);

Tailwind

colors: {
  custom: {
    50: '#937d57',
    500: '#644b17',
    950: '#000000',
  },
}

SCSS

$custom: #644b17;
$custom-light: #937d57;
$custom-dark: #000000;

JSON

{
  "hex": "#644b17",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 23
  },
  "hsl": {
    "h": 40.519,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.4291,
    "c": 0.07546,
    "h": 82.2
  },
  "luminance": 0.07803
}

Semantic roles & 50–950 ramp

primary

#644B17

secondary

#3C5B9A

accent

#77E642

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644B17

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

Preview Lab → · Contrast checker → · Palette generator →