#644F1A#644F1A

#644F1A is a dark, moderate orange. Relative luminance 0.084; OKLCH L 43.8% C 0.075 H 86.9°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#644F1A
RGB	rgb(100, 79, 26)
HSL	hsl(43, 59%, 25%)
HSV	hsv(43, 74%, 39%)
CMYK	cmyk(0%, 21%, 74%, 60.8%)
CIE-LAB	lab(34.75, 2.51, 33.37)
CIE-LCH	lch(34.75, 33.46, 85.70°)
OKLab	oklab(43.85% 0.0041 0.0749)
OKLCH	oklch(43.85% 0.075 86.9)
XYZ	xyz(8.2384, 8.3764, 2.1600)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F1A #1A2F64

analogous

#642A1A #644F1A #54641A

triadic

#644F1A #1A644F #4F1A64

tetradic

#644F1A #1A642A #1A2F64 #641A54

square

#644F1A #1A642A #1A2F64 #641A54

split-complementary

#644F1A #1A5464 #2A1A64

monochromatic

#181306 #33290D #644F1A #957527 #C59C33

Accessibility & contrast

On white

7.85

#644F1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#644F1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F1A

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F1A	#FFFFFF	#000000	##FFFFFF
##644F1A	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E13

Deuteranopia (green-blind)

#5E541C

Tritanopia (blue-blind)

#6D4844

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644f1a;
/* rgb */ color: rgb(100, 79, 26);
/* oklch */ color: oklch(43.8% 0.075 86.9);

Tailwind

colors: {
  custom: {
    50: '#93805a',
    500: '#644f1a',
    950: '#000000',
  },
}

SCSS

$custom: #644f1a;
$custom-light: #93805a;
$custom-dark: #000000;

JSON

{
  "hex": "#644f1a",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 26
  },
  "hsl": {
    "h": 42.973,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43849,
    "c": 0.07501,
    "h": 86.9
  },
  "luminance": 0.08376
}

Semantic roles & 50–950 ramp

primary

#644F1A

secondary

#405A9A

accent

#72E246

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #644F1A

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

Preview Lab → · Contrast checker → · Palette generator →