#6357EE#6357EE

#6357EE is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.8% C 0.218 H 280.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#6357EE
RGBrgb(99, 87, 238)
HSLhsl(245, 82%, 64%)
HSVhsv(245, 63%, 93%)
CMYKcmyk(58.4%, 63.4%, 0%, 6.7%)
CIE-LABlab(46.50, 46.56, -74.67)
CIE-LCHlch(46.50, 87.99, 301.94°)
OKLaboklab(55.83% 0.0387 -0.2149)
OKLCHoklch(55.83% 0.218 280.2)
XYZxyz(23.9815, 15.6404, 82.6275)
Luminance0.1564 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6357EE #E2EE57
analogous
#5796EE #6357EE #AE57EE
triadic
#6357EE #EE6357 #57EE63
tetradic
#6357EE #EE5796 #E2EE57 #57EEAE
square
#6357EE #EE5796 #E2EE57 #57EEAE
split-complementary
#6357EE #EEAE57 #96EE57
monochromatic
#2013B8 #2F1FE8 #6357EE #978FF4 #CAC6F9

Accessibility & contrast

On white

5.09
#6357EE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.13
#6357EE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357EE
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6357EE#FFFFFF#000000##FFFFFF
##6357EE1.005.094.135.09
#FFFFFF5.091.0021.001.00
#0000004.1321.001.0021.00
##FFFFFF5.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0074F3
Deuteranopia (green-blind)
#0068EB
Tritanopia (blue-blind)
#007D9B
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #6357ee;
/* rgb */ color: rgb(99, 87, 238);
/* oklch */ color: oklch(55.8% 0.218 280.2);
Tailwind
colors: {
  custom: {
    50: '#9c87f5',
    500: '#6357ee',
    950: '#000000',
  },
}
SCSS
$custom: #6357ee;
$custom-light: #9c87f5;
$custom-dark: #000000;
JSON
{
  "hex": "#6357ee",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 238
  },
  "hsl": {
    "h": 244.768,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.55825,
    "c": 0.21831,
    "h": 280.2
  },
  "luminance": 0.15642
}

Semantic roles & 50–950 ramp

primary
#6357EE
secondary
#E7EBB6
accent
#DE08CD
background
#FAF8FF
surface
#F4EFFE
border
#CECAD6
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #6357EE

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

Preview Lab → · Contrast checker → · Palette generator →

#6357EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva