#644EDA#644EDA

#644EDA is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.9% C 0.204 H 284.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX#644EDA
RGBrgb(100, 78, 218)
HSLhsl(249, 65%, 58%)
HSVhsv(249, 64%, 85%)
CMYKcmyk(54.1%, 64.2%, 0%, 14.5%)
CIE-LABlab(43.09, 45.79, -68.89)
CIE-LCHlch(43.09, 82.72, 303.61°)
OKLaboklab(52.88% 0.0499 -0.1979)
OKLCHoklch(52.88% 0.204 284.1)
XYZxyz(20.6310, 13.2189, 67.7805)
Luminance0.1322 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644EDA #C4DA4E
analogous
#4E7EDA #644EDA #AA4EDA
triadic
#644EDA #DA644E #4EDA64
tetradic
#644EDA #DA4E7E #C4DA4E #4EDAAA
square
#644EDA #DA4E7E #C4DA4E #4EDAAA
split-complementary
#644EDA #DAAA4E #7EDA4E
monochromatic
#301E90 #4129C2 #644EDA #9081E5 #BDB3EF

Accessibility & contrast

On white

5.76
#644EDA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.64
#644EDA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EDA
5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644EDA#FFFFFF#000000##FFFFFF
##644EDA1.005.763.645.76
#FFFFFF5.761.0021.001.00
#0000003.6421.001.0021.00
##FFFFFF5.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006ADE
Deuteranopia (green-blind)
#0061D7
Tritanopia (blue-blind)
#2F718D
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #644eda;
/* rgb */ color: rgb(100, 78, 218);
/* oklch */ color: oklch(52.9% 0.204 284.1);
Tailwind
colors: {
  custom: {
    50: '#9a81e6',
    500: '#644eda',
    950: '#000000',
  },
}
SCSS
$custom: #644eda;
$custom-light: #9a81e6;
$custom-dark: #000000;
JSON
{
  "hex": "#644eda",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 218
  },
  "hsl": {
    "h": 249.429,
    "s": 65.421,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52882,
    "c": 0.20405,
    "h": 284.1
  },
  "luminance": 0.1322
}

Semantic roles & 50–950 ramp

primary
#644EDA
secondary
#D5DEA6
accent
#E83FCE
background
#FAF7FE
surface
#F4EEFC
border
#CEC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #644EDA

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

Preview Lab → · Contrast checker → · Palette generator →

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