#644E0F#644E0F

#644E0F is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.5% C 0.082 H 88.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#644E0F
RGB	rgb(100, 78, 15)
HSL	hsl(44, 74%, 23%)
HSV	hsv(44, 85%, 39%)
CMYK	cmyk(0%, 22%, 85%, 60.8%)
CIE-LAB	lab(34.38, 2.57, 37.79)
CIE-LCH	lch(34.38, 37.88, 86.11°)
OKLab	oklab(43.53% 0.0029 0.0818)
OKLCH	oklch(43.53% 0.082 88)
XYZ	xyz(8.0667, 8.1931, 1.6084)
Luminance	0.0819 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E0F #0F2564

analogous

#64240F #644E0F #4F640F

triadic

#644E0F #0F644E #4E0F64

tetradic

#644E0F #0F6424 #0F2564 #640F4F

square

#644E0F #0F6424 #0F2564 #640F4F

split-complementary

#644E0F #0F4F64 #240F64

monochromatic

#1B1504 #2F2407 #644E0F #997817 #CEA11F

Accessibility & contrast

On white

7.96

#644E0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#644E0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E0F

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E0F	#FFFFFF	#000000	##FFFFFF
##644E0F	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D03

Deuteranopia (green-blind)

#5E5313

Tritanopia (blue-blind)

#6D4642

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644e0f;
/* rgb */ color: rgb(100, 78, 15);
/* oklch */ color: oklch(43.5% 0.082 88.0);

Tailwind

colors: {
  custom: {
    50: '#947f54',
    500: '#644e0f',
    950: '#000000',
  },
}

SCSS

$custom: #644e0f;
$custom-light: #947f54;
$custom-dark: #000000;

JSON

{
  "hex": "#644e0f",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 15
  },
  "hsl": {
    "h": 44.471,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.4353,
    "c": 0.08188,
    "h": 88
  },
  "luminance": 0.08193
}

Semantic roles & 50–950 ramp

primary

#644E0F

secondary

#324E9D

accent

#67F137

background

#F9F7F5

surface

#F2EEE8

border

#CCC9C4

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #644E0F

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

Preview Lab → · Contrast checker → · Palette generator →