#4C63DB#4C63DB

#4C63DB is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.9% C 0.184 H 270.9°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#4C63DB
RGB	rgb(76, 99, 219)
HSL	hsl(230, 67%, 58%)
HSV	hsv(230, 65%, 86%)
CMYK	cmyk(65.3%, 54.8%, 0%, 14.1%)
CIE-LAB	lab(46.41, 29.50, -64.14)
CIE-LCH	lch(46.41, 70.60, 294.70°)
OKLab	oklab(54.93% 0.0029 -0.1844)
OKLCH	oklch(54.93% 0.184 270.9)
XYZ	xyz(20.2242, 15.5728, 68.9442)
Luminance	0.1557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63DB #DBC44C

analogous

#4CAADB #4C63DB #7D4CDB

triadic

#4C63DB #DB4C63 #63DB4C

tetradic

#4C63DB #DB4CAA #DBC44C #4CDB7D

square

#4C63DB #DB4CAA #DBC44C #4CDB7D

split-complementary

#4C63DB #DB7D4C #AADB4C

monochromatic

#1D2F90 #2740C3 #4C63DB #7F8FE5 #B2BCEF

Accessibility & contrast

On white

5.10

#4C63DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#4C63DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63DB

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63DB	#FFFFFF	#000000	##FFFFFF
##4C63DB	1.00	5.10	4.11	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075DF

Deuteranopia (green-blind)

#0068D9

Tritanopia (blue-blind)

#008095

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4c63db;
/* rgb */ color: rgb(76, 99, 219);
/* oklch */ color: oklch(54.9% 0.184 270.9);

Tailwind

colors: {
  custom: {
    50: '#8d8fe7',
    500: '#4c63db',
    950: '#000000',
  },
}

SCSS

$custom: #4c63db;
$custom-light: #8d8fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63db",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 219
  },
  "hsl": {
    "h": 230.35,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.54928,
    "c": 0.18443,
    "h": 270.9
  },
  "luminance": 0.15575
}

Semantic roles & 50–950 ramp

primary

#4C63DB

secondary

#DED5A5

accent

#CE3EE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4C63DB

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

Preview Lab → · Contrast checker → · Palette generator →