#644049#644049

#644049 is a dark, muted red. Relative luminance 0.069; OKLCH L 41.6% C 0.052 H 3.2°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX#644049
RGBrgb(100, 64, 73)
HSLhsl(345, 22%, 32%)
HSVhsv(345, 36%, 39%)
CMYKcmyk(0%, 36%, 27%, 60.8%)
CIE-LABlab(31.48, 17.10, 1.03)
CIE-LCHlch(31.48, 17.13, 3.44°)
OKLaboklab(41.59% 0.0516 0.0029)
OKLCHoklch(41.59% 0.052 3.2)
XYZxyz(8.2917, 6.8577, 7.1890)
Luminance0.0686 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644049 #40645B
analogous
#64405B #644049 #644940
triadic
#644049 #496440 #404964
tetradic
#644049 #5B6440 #40645B #494064
square
#644049 #5B6440 #40645B #494064
split-complementary
#644049 #406449 #405B64
monochromatic
#191013 #3F282E #644049 #895864 #A87783

Accessibility & contrast

On white

8.86
#644049 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#644049 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644049
8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644049#FFFFFF#000000##FFFFFF
##6440491.008.862.378.86
#FFFFFF8.861.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#454649
Deuteranopia (green-blind)
#4E4D48
Tritanopia (blue-blind)
#6A3E43
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #644049;
/* rgb */ color: rgb(100, 64, 73);
/* oklch */ color: oklch(41.6% 0.052 3.2);
Tailwind
colors: {
  custom: {
    50: '#91757b',
    500: '#644049',
    950: '#000000',
  },
}
SCSS
$custom: #644049;
$custom-light: #91757b;
$custom-dark: #000000;
JSON
{
  "hex": "#644049",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 73
  },
  "hsl": {
    "h": 345,
    "s": 21.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41591,
    "c": 0.05171,
    "h": 3.2
  },
  "luminance": 0.06857
}

Semantic roles & 50–950 ramp

primary
#644049
secondary
#6C938A
accent
#BEA969
background
#F9F7F7
surface
#F1EDED
border
#CBC8C8
text
#0D0809
muted
#7E7B7B

Preview Lab

Preview with #644049

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

Preview Lab → · Contrast checker → · Palette generator →

#644049 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva