#6357E8#6357E8

#6357E8 is a mid, highly saturated blue. Relative luminance 0.153; OKLCH L 55.3% C 0.211 H 280.7°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX#6357E8
RGBrgb(99, 87, 232)
HSLhsl(245, 76%, 63%)
HSVhsv(245, 63%, 91%)
CMYKcmyk(57.3%, 62.5%, 0%, 9%)
CIE-LABlab(46.03, 44.71, -72.05)
CIE-LCHlch(46.03, 84.79, 301.82°)
OKLaboklab(55.34% 0.0392 -0.2072)
OKLCHoklch(55.34% 0.211 280.7)
XYZxyz(23.1147, 15.2937, 78.0622)
Luminance0.1530 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6357E8 #DCE857
analogous
#5793E8 #6357E8 #AC57E8
triadic
#6357E8 #E86357 #57E863
tetradic
#6357E8 #E85793 #DCE857 #57E8AC
square
#6357E8 #E85793 #DCE857 #57E8AC
split-complementary
#6357E8 #E8AC57 #93E857
monochromatic
#2418AD #3121E1 #6357E8 #958DEF #C7C3F7

Accessibility & contrast

On white

5.17
#6357E8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.06
#6357E8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357E8
5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6357E8#FFFFFF#000000##FFFFFF
##6357E81.005.174.065.17
#FFFFFF5.171.0021.001.00
#0000004.0621.001.0021.00
##FFFFFF5.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0072ED
Deuteranopia (green-blind)
#0068E5
Tritanopia (blue-blind)
#107B97
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #6357e8;
/* rgb */ color: rgb(99, 87, 232);
/* oklch */ color: oklch(55.3% 0.211 280.7);
Tailwind
colors: {
  custom: {
    50: '#9b87f0',
    500: '#6357e8',
    950: '#000000',
  },
}
SCSS
$custom: #6357e8;
$custom-light: #9b87f0;
$custom-dark: #000000;
JSON
{
  "hex": "#6357e8",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 232
  },
  "hsl": {
    "h": 244.966,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.55341,
    "c": 0.21083,
    "h": 280.7
  },
  "luminance": 0.15295
}

Semantic roles & 50–950 ramp

primary
#6357E8
secondary
#E3E8B3
accent
#D80DC7
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B17
muted
#7F7C85

Preview Lab

Preview with #6357E8

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

Preview Lab → · Contrast checker → · Palette generator →

#6357E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva