#6364FB#6364FB

#6364FB is a mid, highly saturated blue. Relative luminance 0.187; OKLCH L 59.0% C 0.219 H 277.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#6364FB
RGBrgb(99, 100, 251)
HSLhsl(240, 95%, 69%)
HSVhsv(240, 61%, 98%)
CMYKcmyk(60.6%, 60.2%, 0%, 1.6%)
CIE-LABlab(50.37, 43.05, -75.62)
CIE-LCHlch(50.37, 87.02, 299.65°)
OKLaboklab(58.97% 0.0268 -0.2176)
OKLCHoklch(58.97% 0.219 277)
XYZxyz(27.1097, 18.7299, 93.4347)
Luminance0.1873 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6364FB #FBFA63
analogous
#63B0FB #6364FB #AE63FB
triadic
#6364FB #FB6364 #64FB63
tetradic
#6364FB #FB63B0 #FBFA63 #63FBAE
square
#6364FB #FB63B0 #FBFA63 #63FBAE
split-complementary
#6364FB #FBAE63 #B0FB63
monochromatic
#0607DE #2729F9 #6364FB #9F9FFD #DADBFE

Accessibility & contrast

On white

4.42
#6364FB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#6364FB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6364FB
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6364FB#FFFFFF#000000##000000
##6364FB1.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#007EFF
Deuteranopia (green-blind)
#0071F8
Tritanopia (blue-blind)
#0089A6
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #6364fb;
/* rgb */ color: rgb(99, 100, 251);
/* oklch */ color: oklch(59.0% 0.219 277.0);
Tailwind
colors: {
  custom: {
    50: '#9e90fe',
    500: '#6364fb',
    950: '#000000',
  },
}
SCSS
$custom: #6364fb;
$custom-light: #9e90fe;
$custom-dark: #000000;
JSON
{
  "hex": "#6364fb",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 251
  },
  "hsl": {
    "h": 239.605,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.58967,
    "c": 0.21924,
    "h": 277
  },
  "luminance": 0.18732
}

Semantic roles & 50–950 ramp

primary
#6364FB
secondary
#F4F3C6
accent
#E400E6
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86

Preview Lab

Preview with #6364FB

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

Preview Lab → · Contrast checker → · Palette generator →

#6364FB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva