#644AAF#644AAF

#644AAF is a mid, vivid violet. Relative luminance 0.107; OKLCH L 49.0% C 0.154 H 291.5°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#644AAF
RGBrgb(100, 74, 175)
HSLhsl(255, 41%, 49%)
HSVhsv(255, 58%, 69%)
CMYKcmyk(42.9%, 57.7%, 0%, 31.4%)
CIE-LABlab(39.07, 35.43, -50.40)
CIE-LCHlch(39.07, 61.61, 305.11°)
OKLaboklab(48.96% 0.0566 -0.1435)
OKLCHoklch(48.96% 0.154 291.5)
XYZxyz(15.4400, 10.7016, 41.8012)
Luminance0.1070 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644AAF #95AF4A
analogous
#4A63AF #644AAF #974AAF
triadic
#644AAF #AF644A #4AAF64
tetradic
#644AAF #AF4A63 #95AF4A #4AAF97
square
#644AAF #AF4A63 #95AF4A #4AAF97
split-complementary
#644AAF #AF974A #63AF4A
monochromatic
#332659 #4B3884 #644AAF #8773C4 #AC9ED6

Accessibility & contrast

On white

6.69
#644AAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#644AAF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AAF
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644AAF#FFFFFF#000000##FFFFFF
##644AAF1.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C5EB2
Deuteranopia (green-blind)
#165AAD
Tritanopia (blue-blind)
#4F6075
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #644aaf;
/* rgb */ color: rgb(100, 74, 175);
/* oklch */ color: oklch(49.0% 0.154 291.5);
Tailwind
colors: {
  custom: {
    50: '#957dc7',
    500: '#644aaf',
    950: '#000000',
  },
}
SCSS
$custom: #644aaf;
$custom-light: #957dc7;
$custom-dark: #000000;
JSON
{
  "hex": "#644aaf",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 175
  },
  "hsl": {
    "h": 255.446,
    "s": 40.562,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48958,
    "c": 0.15429,
    "h": 291.5
  },
  "luminance": 0.10702
}

Semantic roles & 50–950 ramp

primary
#644AAF
secondary
#B6C292
accent
#D057B1
background
#F9F7FC
surface
#F2EEF8
border
#CCC9D1
text
#0E0A13
muted
#7E7C82

Preview Lab

Preview with #644AAF

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

Preview Lab → · Contrast checker → · Palette generator →

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