#644E1F#644E1F

#644E1F is a dark, moderate orange. Relative luminance 0.083; OKLCH L 43.7% C 0.070 H 83.8°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#644E1F
RGB	rgb(100, 78, 31)
HSL	hsl(41, 53%, 26%)
HSV	hsv(41, 69%, 39%)
CMYK	cmyk(0%, 22%, 69%, 60.8%)
CIE-LAB	lab(34.51, 3.45, 30.58)
CIE-LCH	lch(34.51, 30.77, 83.56°)
OKLab	oklab(43.68% 0.0076 0.0699)
OKLCH	oklch(43.68% 0.07 83.8)
XYZ	xyz(8.2277, 8.2576, 2.4566)
Luminance	0.0826 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E1F #1F3564

analogous

#642B1F #644E1F #57641F

triadic

#644E1F #1F644E #4E1F64

tetradic

#644E1F #1F642B #1F3564 #641F57

square

#644E1F #1F642B #1F3564 #641F57

split-complementary

#644E1F #1F5764 #2B1F64

monochromatic

#171207 #352A11 #644E1F #93722D #C1973C

Accessibility & contrast

On white

7.92

#644E1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#644E1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E1F

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E1F	#FFFFFF	#000000	##FFFFFF
##644E1F	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1A

Deuteranopia (green-blind)

#5D5421

Tritanopia (blue-blind)

#6D4744

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644e1f;
/* rgb */ color: rgb(100, 78, 31);
/* oklch */ color: oklch(43.7% 0.070 83.8);

Tailwind

colors: {
  custom: {
    50: '#937f5d',
    500: '#644e1f',
    950: '#000000',
  },
}

SCSS

$custom: #644e1f;
$custom-light: #937f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#644e1f",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 31
  },
  "hsl": {
    "h": 40.87,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.43675,
    "c": 0.07031,
    "h": 83.8
  },
  "luminance": 0.08257
}

Semantic roles & 50–950 ramp

primary

#644E1F

secondary

#466198

accent

#7ADC4C

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #644E1F

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

Preview Lab → · Contrast checker → · Palette generator →