#644A71#644A71

#644A71 is a mid, moderate purple. Relative luminance 0.088; OKLCH L 45.2% C 0.069 H 314.1°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX#644A71
RGBrgb(100, 74, 113)
HSLhsl(280, 21%, 37%)
HSVhsv(280, 35%, 44%)
CMYKcmyk(11.5%, 34.5%, 0%, 55.7%)
CIE-LABlab(35.59, 18.92, -18.22)
CIE-LCHlch(35.59, 26.26, 316.08°)
OKLaboklab(45.23% 0.0483 -0.0499)
OKLCHoklch(45.23% 0.069 314.1)
XYZxyz(10.6845, 8.7993, 16.7552)
Luminance0.0880 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A71 #57714A
analogous
#514A71 #644A71 #714A6B
triadic
#644A71 #71644A #4A7164
tetradic
#644A71 #71514A #57714A #4A6B71
square
#644A71 #71514A #57714A #4A6B71
split-complementary
#644A71 #6B714A #4A7151
monochromatic
#231A27 #43324C #644A71 #856296 #A286B0

Accessibility & contrast

On white

7.61
#644A71 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#644A71 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A71
7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A71#FFFFFF#000000##FFFFFF
##644A711.007.612.767.61
#FFFFFF7.611.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#445273
Deuteranopia (green-blind)
#4A5470
Tritanopia (blue-blind)
#634F58
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #644a71;
/* rgb */ color: rgb(100, 74, 113);
/* oklch */ color: oklch(45.2% 0.069 314.1);
Tailwind
colors: {
  custom: {
    50: '#907d9a',
    500: '#644a71',
    950: '#000000',
  },
}
SCSS
$custom: #644a71;
$custom-light: #907d9a;
$custom-dark: #000000;
JSON
{
  "hex": "#644a71",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 113
  },
  "hsl": {
    "h": 280,
    "s": 20.856,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45229,
    "c": 0.06949,
    "h": 314.1
  },
  "luminance": 0.08799
}

Semantic roles & 50–950 ramp

primary
#644A71
secondary
#869C7B
accent
#BD6A86
background
#F8F7F9
surface
#F0EEF2
border
#CBC9CC
text
#0C090E
muted
#7D7B7E

Preview Lab

Preview with #644A71

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

Preview Lab → · Contrast checker → · Palette generator →

#644A71 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva