#644F97#644F97

#644F97 is a mid, moderate violet. Relative luminance 0.105; OKLCH L 48.3% C 0.114 H 295.3°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#644F97
RGBrgb(100, 79, 151)
HSLhsl(258, 31%, 45%)
HSVhsv(258, 48%, 59%)
CMYKcmyk(33.8%, 47.7%, 0%, 40.8%)
CIE-LABlab(38.79, 25.60, -36.53)
CIE-LCHlch(38.79, 44.60, 305.03°)
OKLaboklab(48.27% 0.0485 -0.1028)
OKLCHoklch(48.27% 0.114 295.3)
XYZxyz(13.6360, 10.5354, 30.5873)
Luminance0.1054 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644F97 #82974F
analogous
#4F5E97 #644F97 #884F97
triadic
#644F97 #97644F #4F9764
tetradic
#644F97 #974F5E #82974F #4F9788
square
#644F97 #974F5E #82974F #4F9788
split-complementary
#644F97 #97884F #5E974F
monochromatic
#2F2547 #493A6F #644F97 #836FB4 #A698C9

Accessibility & contrast

On white

6.76
#644F97 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#644F97 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644F97
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644F97#FFFFFF#000000##FFFFFF
##644F971.006.763.116.76
#FFFFFF6.761.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#375C9A
Deuteranopia (green-blind)
#3B5A95
Tritanopia (blue-blind)
#585D6C
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #644f97;
/* rgb */ color: rgb(100, 79, 151);
/* oklch */ color: oklch(48.3% 0.114 295.3);
Tailwind
colors: {
  custom: {
    50: '#9280b6',
    500: '#644f97',
    950: '#000000',
  },
}
SCSS
$custom: #644f97;
$custom-light: #9280b6;
$custom-dark: #000000;
JSON
{
  "hex": "#644f97",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 151
  },
  "hsl": {
    "h": 257.5,
    "s": 31.304,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48267,
    "c": 0.11368,
    "h": 295.3
  },
  "luminance": 0.10536
}

Semantic roles & 50–950 ramp

primary
#644F97
secondary
#A9B68C
accent
#C760A9
background
#F9F7FB
surface
#F1EEF6
border
#CBC9D0
text
#0D0A11
muted
#7E7C80

Preview Lab

Preview with #644F97

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

Preview Lab → · Contrast checker → · Palette generator →

#644F97 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva