#644F2B#644F2B

#644F2B is a dark, muted orange. Relative luminance 0.085; OKLCH L 44.1% C 0.059 H 79.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#644F2B
RGB	rgb(100, 79, 43)
HSL	hsl(38, 40%, 28%)
HSV	hsv(38, 57%, 39%)
CMYK	cmyk(0%, 21%, 57%, 60.8%)
CIE-LAB	lab(34.96, 3.85, 24.42)
CIE-LCH	lch(34.96, 24.72, 81.03°)
OKLab	oklab(44.07% 0.0105 0.0582)
OKLCH	oklch(44.07% 0.059 79.8)
XYZ	xyz(8.4879, 8.4762, 3.4740)
Luminance	0.0848 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F2B #2B4064

analogous

#64322B #644F2B #5C642B

triadic

#644F2B #2B644F #4F2B64

tetradic

#644F2B #2B6432 #2B4064 #642B5C

square

#644F2B #2B6432 #2B4064 #642B5C

split-complementary

#644F2B #2B5C64 #322B64

monochromatic

#151109 #392D19 #644F2B #8F713D #B59254

Accessibility & contrast

On white

7.79

#644F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#644F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F2B

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F2B	#FFFFFF	#000000	##FFFFFF
##644F2B	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F28

Deuteranopia (green-blind)

#5D542C

Tritanopia (blue-blind)

#6C4946

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644f2b;
/* rgb */ color: rgb(100, 79, 43);
/* oklch */ color: oklch(44.1% 0.059 79.8);

Tailwind

colors: {
  custom: {
    50: '#928065',
    500: '#644f2b',
    950: '#000000',
  },
}

SCSS

$custom: #644f2b;
$custom-light: #928065;
$custom-dark: #000000;

JSON

{
  "hex": "#644f2b",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 43
  },
  "hsl": {
    "h": 37.895,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.44071,
    "c": 0.05909,
    "h": 79.8
  },
  "luminance": 0.08476
}

Semantic roles & 50–950 ramp

primary

#644F2B

secondary

#556D96

accent

#84D058

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0A05

muted

#7E7C7A

Preview Lab

Preview with #644F2B

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

Preview Lab → · Contrast checker → · Palette generator →