#644A1D#644A1D

#644A1D is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.070 H 78.5°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#644A1D
RGB	rgb(100, 74, 29)
HSL	hsl(38, 55%, 25%)
HSV	hsv(38, 71%, 39%)
CMYK	cmyk(0%, 26%, 71%, 60.8%)
CIE-LAB	lab(33.34, 5.77, 30.35)
CIE-LCH	lch(33.34, 30.89, 79.24°)
OKLab	oklab(42.75% 0.014 0.0691)
OKLCH	oklch(42.75% 0.07 78.5)
XYZ	xyz(7.9266, 7.6962, 2.2302)
Luminance	0.0770 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A1D #1D3764

analogous

#64261D #644A1D #5A641D

triadic

#644A1D #1D644A #4A1D64

tetradic

#644A1D #1D6426 #1D3764 #641D5A

square

#644A1D #1D6426 #1D3764 #641D5A

split-complementary

#644A1D #1D5A64 #261D64

monochromatic

#181207 #35270F #644A1D #936D2B #C39039

Accessibility & contrast

On white

8.27

#644A1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#644A1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A1D

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A1D	#FFFFFF	#000000	##FFFFFF
##644A1D	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B18

Deuteranopia (green-blind)

#5A511E

Tritanopia (blue-blind)

#6D4340

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #644a1d;
/* rgb */ color: rgb(100, 74, 29);
/* oklch */ color: oklch(42.7% 0.070 78.5);

Tailwind

colors: {
  custom: {
    50: '#937c5b',
    500: '#644a1d',
    950: '#000000',
  },
}

SCSS

$custom: #644a1d;
$custom-light: #937c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#644a1d",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 29
  },
  "hsl": {
    "h": 38.028,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.42749,
    "c": 0.07048,
    "h": 78.5
  },
  "luminance": 0.07696
}

Semantic roles & 50–950 ramp

primary

#644A1D

secondary

#446399

accent

#80DE49

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0904

muted

#7E7B79

Preview Lab

Preview with #644A1D

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

Preview Lab → · Contrast checker → · Palette generator →