#644A28#644A28

#644A28 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.061 H 72.4°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#644A28
RGB	rgb(100, 74, 40)
HSL	hsl(34, 43%, 27%)
HSV	hsv(34, 60%, 39%)
CMYK	cmyk(0%, 26%, 60%, 60.8%)
CIE-LAB	lab(33.48, 6.65, 24.38)
CIE-LCH	lch(33.48, 25.27, 74.75°)
OKLab	oklab(42.9% 0.0183 0.0577)
OKLCH	oklch(42.9% 0.061 72.4)
XYZ	xyz(8.0877, 7.7606, 3.0790)
Luminance	0.0776 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A28 #284264

analogous

#642C28 #644A28 #606428

triadic

#644A28 #28644A #4A2864

tetradic

#644A28 #28642C #284264 #642860

square

#644A28 #28642C #284264 #642860

split-complementary

#644A28 #286064 #2C2864

monochromatic

#161009 #382A17 #644A28 #906A39 #B88A4E

Accessibility & contrast

On white

8.23

#644A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#644A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A28

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A28	#FFFFFF	#000000	##FFFFFF
##644A28	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B25

Deuteranopia (green-blind)

#595129

Tritanopia (blue-blind)

#6C4342

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644a28;
/* rgb */ color: rgb(100, 74, 40);
/* oklch */ color: oklch(42.9% 0.061 72.4);

Tailwind

colors: {
  custom: {
    50: '#927c63',
    500: '#644a28',
    950: '#000000',
  },
}

SCSS

$custom: #644a28;
$custom-light: #927c63;
$custom-dark: #000000;

JSON

{
  "hex": "#644a28",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 40
  },
  "hsl": {
    "h": 34,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.42901,
    "c": 0.06057,
    "h": 72.4
  },
  "luminance": 0.0776
}

Semantic roles & 50–950 ramp

primary

#644A28

secondary

#516F97

accent

#8CD355

background

#F9F7F5

surface

#F1EEEA

border

#CBC9C6

text

#0D0905

muted

#7E7B79

Preview Lab

Preview with #644A28

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

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