#4C63DD#4C63DD

#4C63DD is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.1% C 0.187 H 270.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4C63DD
RGB	rgb(76, 99, 221)
HSL	hsl(230, 68%, 58%)
HSV	hsv(230, 66%, 87%)
CMYK	cmyk(65.6%, 55.2%, 0%, 13.3%)
CIE-LAB	lab(46.55, 30.19, -65.05)
CIE-LCH	lch(46.55, 71.71, 294.89°)
OKLab	oklab(55.08% 0.003 -0.1871)
OKLCH	oklch(55.08% 0.187 270.9)
XYZ	xyz(20.4891, 15.6788, 70.3391)
Luminance	0.1568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63DD #DDC64C

analogous

#4CABDD #4C63DD #7D4CDD

triadic

#4C63DD #DD4C63 #63DD4C

tetradic

#4C63DD #DD4CAB #DDC64C #4CDD7D

square

#4C63DD #DD4CAB #DDC64C #4CDD7D

split-complementary

#4C63DD #DD7D4C #ABDD4C

monochromatic

#1C2F93 #263FC6 #4C63DD #7F90E7 #B3BDF1

Accessibility & contrast

On white

5.08

#4C63DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#4C63DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63DD

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63DD	#FFFFFF	#000000	##FFFFFF
##4C63DD	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E1

Deuteranopia (green-blind)

#0068DB

Tritanopia (blue-blind)

#008096

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4c63dd;
/* rgb */ color: rgb(76, 99, 221);
/* oklch */ color: oklch(55.1% 0.187 270.9);

Tailwind

colors: {
  custom: {
    50: '#8d8fe8',
    500: '#4c63dd',
    950: '#000000',
  },
}

SCSS

$custom: #4c63dd;
$custom-light: #8d8fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63dd",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 230.483,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.55079,
    "c": 0.1871,
    "h": 270.9
  },
  "luminance": 0.15681
}

Semantic roles & 50–950 ramp

primary

#4C63DD

secondary

#DFD6A6

accent

#CF3DEB

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4C63DD

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

Preview Lab → · Contrast checker → · Palette generator →