#644C28#644C28

#644C28 is a dark, moderate orange. Relative luminance 0.080; OKLCH L 43.3% C 0.061 H 76.1°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#644C28
RGB	rgb(100, 76, 40)
HSL	hsl(36, 43%, 27%)
HSV	hsv(36, 60%, 39%)
CMYK	cmyk(0%, 24%, 60%, 60.8%)
CIE-LAB	lab(34.05, 5.41, 25.06)
CIE-LCH	lch(34.05, 25.64, 77.81°)
OKLab	oklab(43.35% 0.0147 0.0593)
OKLCH	oklch(43.35% 0.061 76.1)
XYZ	xyz(8.2234, 8.0319, 3.1243)
Luminance	0.0803 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C28 #284064

analogous

#642E28 #644C28 #5E6428

triadic

#644C28 #28644C #4C2864

tetradic

#644C28 #28642E #284064 #64285E

square

#644C28 #28642E #284064 #64285E

split-complementary

#644C28 #285E64 #2E2864

monochromatic

#161109 #382B17 #644C28 #906D39 #B88E4E

Accessibility & contrast

On white

8.06

#644C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#644C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C28

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C28	#FFFFFF	#000000	##FFFFFF
##644C28	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D25

Deuteranopia (green-blind)

#5B5229

Tritanopia (blue-blind)

#6C4644

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644c28;
/* rgb */ color: rgb(100, 76, 40);
/* oklch */ color: oklch(43.3% 0.061 76.1);

Tailwind

colors: {
  custom: {
    50: '#927d63',
    500: '#644c28',
    950: '#000000',
  },
}

SCSS

$custom: #644c28;
$custom-light: #927d63;
$custom-dark: #000000;

JSON

{
  "hex": "#644c28",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 40
  },
  "hsl": {
    "h": 36,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.43347,
    "c": 0.06104,
    "h": 76.1
  },
  "luminance": 0.08031
}

Semantic roles & 50–950 ramp

primary

#644C28

secondary

#516D97

accent

#87D355

background

#F9F7F5

surface

#F1EEEA

border

#CBC9C6

text

#0D0905

muted

#7E7B79

Preview Lab

Preview with #644C28

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

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