#644D28#644D28

#644D28 is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.6% C 0.061 H 77.9°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#644D28
RGB	rgb(100, 77, 40)
HSL	hsl(37, 43%, 27%)
HSV	hsv(37, 60%, 39%)
CMYK	cmyk(0%, 23%, 60%, 60.8%)
CIE-LAB	lab(34.34, 4.80, 25.41)
CIE-LCH	lch(34.34, 25.86, 79.31°)
OKLab	oklab(43.57% 0.0129 0.06)
OKLCH	oklch(43.57% 0.061 77.9)
XYZ	xyz(8.2928, 8.1708, 3.1474)
Luminance	0.0817 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D28 #283F64

analogous

#642F28 #644D28 #5D6428

triadic

#644D28 #28644D #4D2864

tetradic

#644D28 #28642F #283F64 #64285D

square

#644D28 #28642F #283F64 #64285D

split-complementary

#644D28 #285D64 #2F2864

monochromatic

#161109 #382B17 #644D28 #906F39 #B8904E

Accessibility & contrast

On white

7.97

#644D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#644D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D28

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D28	#FFFFFF	#000000	##FFFFFF
##644D28	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D25

Deuteranopia (green-blind)

#5C5329

Tritanopia (blue-blind)

#6C4744

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644d28;
/* rgb */ color: rgb(100, 77, 40);
/* oklch */ color: oklch(43.6% 0.061 77.9);

Tailwind

colors: {
  custom: {
    50: '#927e63',
    500: '#644d28',
    950: '#000000',
  },
}

SCSS

$custom: #644d28;
$custom-light: #927e63;
$custom-dark: #000000;

JSON

{
  "hex": "#644d28",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 40
  },
  "hsl": {
    "h": 37,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.43572,
    "c": 0.06136,
    "h": 77.9
  },
  "luminance": 0.0817
}

Semantic roles & 50–950 ramp

primary

#644D28

secondary

#516C97

accent

#85D355

background

#F9F7F5

surface

#F1EEEA

border

#CBC9C6

text

#0D0A05

muted

#7E7C79

Preview Lab

Preview with #644D28

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

Preview Lab → · Contrast checker → · Palette generator →