#644E1A#644E1A

#644E1A is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.6% C 0.074 H 85.5°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#644E1A
RGB	rgb(100, 78, 26)
HSL	hsl(42, 59%, 25%)
HSV	hsv(42, 74%, 39%)
CMYK	cmyk(0%, 22%, 74%, 60.8%)
CIE-LAB	lab(34.46, 3.12, 33.07)
CIE-LCH	lch(34.46, 33.21, 84.61°)
OKLab	oklab(43.62% 0.0059 0.0743)
OKLCH	oklch(43.62% 0.074 85.5)
XYZ	xyz(8.1668, 8.2332, 2.1361)
Luminance	0.0823 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E1A #1A3064

analogous

#64291A #644E1A #55641A

triadic

#644E1A #1A644E #4E1A64

tetradic

#644E1A #1A6429 #1A3064 #641A55

square

#644E1A #1A6429 #1A3064 #641A55

split-complementary

#644E1A #1A5564 #291A64

monochromatic

#181306 #33280D #644E1A #957427 #C59A33

Accessibility & contrast

On white

7.93

#644E1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#644E1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E1A

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E1A	#FFFFFF	#000000	##FFFFFF
##644E1A	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E13

Deuteranopia (green-blind)

#5D531C

Tritanopia (blue-blind)

#6D4743

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644e1a;
/* rgb */ color: rgb(100, 78, 26);
/* oklch */ color: oklch(43.6% 0.074 85.5);

Tailwind

colors: {
  custom: {
    50: '#937f5a',
    500: '#644e1a',
    950: '#000000',
  },
}

SCSS

$custom: #644e1a;
$custom-light: #937f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#644e1a",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 26
  },
  "hsl": {
    "h": 42.162,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.4362,
    "c": 0.07449,
    "h": 85.5
  },
  "luminance": 0.08233
}

Semantic roles & 50–950 ramp

primary

#644E1A

secondary

#405B9A

accent

#74E246

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #644E1A

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

Preview Lab → · Contrast checker → · Palette generator →