#4C63DC#4C63DC

#4C63DC is a mid, vivid blue. Relative luminance 0.156; OKLCH L 55.0% C 0.186 H 270.9°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#4C63DC
RGBrgb(76, 99, 220)
HSLhsl(230, 67%, 58%)
HSVhsv(230, 65%, 86%)
CMYKcmyk(65.5%, 55%, 0%, 13.7%)
CIE-LABlab(46.48, 29.84, -64.59)
CIE-LCHlch(46.48, 71.15, 294.80°)
OKLaboklab(55% 0.003 -0.1857)
OKLCHoklch(55% 0.186 270.9)
XYZxyz(20.3562, 15.6256, 69.6396)
Luminance0.1563 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4C63DC #DCC54C
analogous
#4CABDC #4C63DC #7D4CDC
triadic
#4C63DC #DC4C63 #63DC4C
tetradic
#4C63DC #DC4CAB #DCC54C #4CDC7D
square
#4C63DC #DC4CAB #DCC54C #4CDC7D
split-complementary
#4C63DC #DC7D4C #ABDC4C
monochromatic
#1C2F91 #2640C4 #4C63DC #7F90E6 #B2BCF0

Accessibility & contrast

On white

5.09
#4C63DC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.13
#4C63DC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63DC
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4C63DC#FFFFFF#000000##FFFFFF
##4C63DC1.005.094.135.09
#FFFFFF5.091.0021.001.00
#0000004.1321.001.0021.00
##FFFFFF5.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0075E0
Deuteranopia (green-blind)
#0068DA
Tritanopia (blue-blind)
#008096
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #4c63dc;
/* rgb */ color: rgb(76, 99, 220);
/* oklch */ color: oklch(55.0% 0.186 270.9);
Tailwind
colors: {
  custom: {
    50: '#8d8fe8',
    500: '#4c63dc',
    950: '#000000',
  },
}
SCSS
$custom: #4c63dc;
$custom-light: #8d8fe8;
$custom-dark: #000000;
JSON
{
  "hex": "#4c63dc",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 220
  },
  "hsl": {
    "h": 230.417,
    "s": 67.29,
    "l": 58.039
  },
  "oklch": {
    "l": 0.55004,
    "c": 0.18577,
    "h": 270.9
  },
  "luminance": 0.15627
}

Semantic roles & 50–950 ramp

primary
#4C63DC
secondary
#DFD5A5
accent
#CF3EEA
background
#F9F8FE
surface
#F2F0FD
border
#CCCBD5
text
#0D0C16
muted
#7E7D84

Preview Lab

Preview with #4C63DC

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

Preview Lab → · Contrast checker → · Palette generator →

#4C63DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva