#6357EC#6357EC

#6357EC is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 55.7% C 0.216 H 280.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX#6357EC
RGBrgb(99, 87, 236)
HSLhsl(245, 80%, 63%)
HSVhsv(245, 63%, 93%)
CMYKcmyk(58.1%, 63.1%, 0%, 7.5%)
CIE-LABlab(46.34, 45.94, -73.80)
CIE-LCHlch(46.34, 86.93, 301.90°)
OKLaboklab(55.66% 0.0389 -0.2123)
OKLCHoklch(55.66% 0.216 280.4)
XYZxyz(23.6893, 15.5235, 81.0886)
Luminance0.1552 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6357EC #E0EC57
analogous
#5795EC #6357EC #AD57EC
triadic
#6357EC #EC6357 #57EC63
tetradic
#6357EC #EC5795 #E0EC57 #57ECAD
square
#6357EC #EC5795 #E0EC57 #57ECAD
split-complementary
#6357EC #ECAD57 #95EC57
monochromatic
#2114B4 #3020E6 #6357EC #968EF2 #C9C5F8

Accessibility & contrast

On white

5.12
#6357EC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.10
#6357EC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357EC
5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6357EC#FFFFFF#000000##FFFFFF
##6357EC1.005.124.105.12
#FFFFFF5.121.0021.001.00
#0000004.1021.001.0021.00
##FFFFFF5.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0073F1
Deuteranopia (green-blind)
#0068E9
Tritanopia (blue-blind)
#007C9A
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #6357ec;
/* rgb */ color: rgb(99, 87, 236);
/* oklch */ color: oklch(55.7% 0.216 280.4);
Tailwind
colors: {
  custom: {
    50: '#9c87f3',
    500: '#6357ec',
    950: '#000000',
  },
}
SCSS
$custom: #6357ec;
$custom-light: #9c87f3;
$custom-dark: #000000;
JSON
{
  "hex": "#6357ec",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 236
  },
  "hsl": {
    "h": 244.832,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.55663,
    "c": 0.21583,
    "h": 280.4
  },
  "luminance": 0.15525
}

Semantic roles & 50–950 ramp

primary
#6357EC
secondary
#E6EAB5
accent
#DC0ACB
background
#FAF8FF
surface
#F4EFFE
border
#CECAD6
text
#0F0B17
muted
#7F7C85

Preview Lab

Preview with #6357EC

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

Preview Lab → · Contrast checker → · Palette generator →

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