#5B63F3#5B63F3

#5B63F3 is a mid, highly saturated blue. Relative luminance 0.176; OKLCH L 57.7% C 0.212 H 275.1°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#5B63F3
RGBrgb(91, 99, 243)
HSLhsl(237, 86%, 65%)
HSVhsv(237, 63%, 95%)
CMYKcmyk(62.6%, 59.3%, 0%, 4.7%)
CIE-LABlab(49.03, 39.85, -73.37)
CIE-LCHlch(49.03, 83.49, 298.50°)
OKLaboklab(57.66% 0.0189 -0.2112)
OKLCHoklch(57.66% 0.212 275.1)
XYZxyz(24.9486, 17.6168, 86.8623)
Luminance0.1762 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B63F3 #F3EB5B
analogous
#5BAFF3 #5B63F3 #9F5BF3
triadic
#5B63F3 #F35B63 #63F35B
tetradic
#5B63F3 #F35BAF #F3EB5B #5BF39F
square
#5B63F3 #F35BAF #F3EB5B #5BF39F
split-complementary
#5B63F3 #F39F5B #AFF35B
monochromatic
#0E18C5 #222DEF #5B63F3 #9499F7 #CDCFFB

Accessibility & contrast

On white

4.64
#5B63F3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.52
#5B63F3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B63F3
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B63F3#FFFFFF#000000##FFFFFF
##5B63F31.004.644.524.64
#FFFFFF4.641.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#007BF8
Deuteranopia (green-blind)
#006EF0
Tritanopia (blue-blind)
#0086A2
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #5b63f3;
/* rgb */ color: rgb(91, 99, 243);
/* oklch */ color: oklch(57.7% 0.212 275.1);
Tailwind
colors: {
  custom: {
    50: '#988ff8',
    500: '#5b63f3',
    950: '#000000',
  },
}
SCSS
$custom: #5b63f3;
$custom-light: #988ff8;
$custom-dark: #000000;
JSON
{
  "hex": "#5b63f3",
  "rgb": {
    "r": 91,
    "g": 99,
    "b": 243
  },
  "hsl": {
    "h": 236.842,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.57657,
    "c": 0.21205,
    "h": 275.1
  },
  "luminance": 0.17619
}

Semantic roles & 50–950 ramp

primary
#5B63F3
secondary
#EEECBB
accent
#D703E3
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#0F0C17
muted
#7F7D85

Preview Lab

Preview with #5B63F3

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

Preview Lab → · Contrast checker → · Palette generator →

#5B63F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva