#644F36#644F36

#644F36 is a dark, muted orange. Relative luminance 0.086; OKLCH L 44.3% C 0.047 H 71.0°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#644F36
RGB	rgb(100, 79, 54)
HSL	hsl(33, 30%, 30%)
HSV	hsv(33, 46%, 39%)
CMYK	cmyk(0%, 21%, 46%, 60.8%)
CIE-LAB	lab(35.14, 5.06, 18.09)
CIE-LCH	lch(35.14, 18.79, 74.37°)
OKLab	oklab(44.28% 0.0154 0.0446)
OKLCH	oklch(44.28% 0.047 71)
XYZ	xyz(8.7177, 8.5681, 4.6839)
Luminance	0.0857 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F36 #364B64

analogous

#643836 #644F36 #626436

triadic

#644F36 #36644F #4F3664

tetradic

#644F36 #366438 #364B64 #643662

square

#644F36 #366438 #364B64 #643662

split-complementary

#644F36 #366264 #383664

monochromatic

#15100B #3C3021 #644F36 #8C6E4B #AD8D67

Accessibility & contrast

On white

7.74

#644F36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#644F36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F36

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F36	#FFFFFF	#000000	##FFFFFF
##644F36	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565034

Deuteranopia (green-blind)

#5B5537

Tritanopia (blue-blind)

#6B4A49

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #644f36;
/* rgb */ color: rgb(100, 79, 54);
/* oklch */ color: oklch(44.3% 0.047 71.0);

Tailwind

colors: {
  custom: {
    50: '#91806d',
    500: '#644f36',
    950: '#000000',
  },
}

SCSS

$custom: #644f36;
$custom-light: #91806d;
$custom-dark: #000000;

JSON

{
  "hex": "#644f36",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 54
  },
  "hsl": {
    "h": 32.609,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.44275,
    "c": 0.04718,
    "h": 71
  },
  "luminance": 0.08568
}

Semantic roles & 50–950 ramp

primary

#644F36

secondary

#617995

accent

#90C662

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0A07

muted

#7E7C7A

Preview Lab

Preview with #644F36

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

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