#644E28#644E28

#644E28 is a dark, moderate orange. Relative luminance 0.083; OKLCH L 43.8% C 0.062 H 79.7°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#644E28
RGB	rgb(100, 78, 40)
HSL	hsl(38, 43%, 27%)
HSV	hsv(38, 60%, 39%)
CMYK	cmyk(0%, 22%, 60%, 60.8%)
CIE-LAB	lab(34.62, 4.18, 25.75)
CIE-LCH	lch(34.62, 26.09, 80.77°)
OKLab	oklab(43.8% 0.0111 0.0608)
OKLCH	oklch(43.8% 0.062 79.7)
XYZ	xyz(8.3633, 8.3118, 3.1709)
Luminance	0.0831 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E28 #283E64

analogous

#643028 #644E28 #5C6428

triadic

#644E28 #28644E #4E2864

tetradic

#644E28 #286430 #283E64 #64285C

square

#644E28 #286430 #283E64 #64285C

split-complementary

#644E28 #285C64 #302864

monochromatic

#161109 #382C17 #644E28 #907039 #B8914E

Accessibility & contrast

On white

7.89

#644E28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#644E28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E28

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E28	#FFFFFF	#000000	##FFFFFF
##644E28	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E25

Deuteranopia (green-blind)

#5C5429

Tritanopia (blue-blind)

#6C4845

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644e28;
/* rgb */ color: rgb(100, 78, 40);
/* oklch */ color: oklch(43.8% 0.062 79.7);

Tailwind

colors: {
  custom: {
    50: '#927f63',
    500: '#644e28',
    950: '#000000',
  },
}

SCSS

$custom: #644e28;
$custom-light: #927f63;
$custom-dark: #000000;

JSON

{
  "hex": "#644e28",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 40
  },
  "hsl": {
    "h": 38,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.43797,
    "c": 0.06176,
    "h": 79.7
  },
  "luminance": 0.08311
}

Semantic roles & 50–950 ramp

primary

#644E28

secondary

#516B97

accent

#83D355

background

#F9F7F5

surface

#F1EEEA

border

#CBC9C6

text

#0D0A05

muted

#7E7C79

Preview Lab

Preview with #644E28

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

Preview Lab → · Contrast checker → · Palette generator →