#4C63DA#4C63DA

#4C63DA is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.9% C 0.183 H 270.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4C63DA
RGB	rgb(76, 99, 218)
HSL	hsl(230, 66%, 58%)
HSV	hsv(230, 65%, 85%)
CMYK	cmyk(65.1%, 54.6%, 0%, 14.5%)
CIE-LAB	lab(46.34, 29.15, -63.69)
CIE-LCH	lch(46.34, 70.04, 294.60°)
OKLab	oklab(54.85% 0.0029 -0.1831)
OKLCH	oklch(54.85% 0.183 270.9)
XYZ	xyz(20.0929, 15.5203, 68.2529)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63DA #DAC34C

analogous

#4CAADA #4C63DA #7C4CDA

triadic

#4C63DA #DA4C63 #63DA4C

tetradic

#4C63DA #DA4CAA #DAC34C #4CDA7C

square

#4C63DA #DA4CAA #DAC34C #4CDA7C

split-complementary

#4C63DA #DA7C4C #AADA4C

monochromatic

#1D308E #2841C1 #4C63DA #7F8FE4 #B1BBEF

Accessibility & contrast

On white

5.12

#4C63DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#4C63DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63DA

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63DA	#FFFFFF	#000000	##FFFFFF
##4C63DA	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DE

Deuteranopia (green-blind)

#0068D8

Tritanopia (blue-blind)

#007F95

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4c63da;
/* rgb */ color: rgb(76, 99, 218);
/* oklch */ color: oklch(54.9% 0.183 270.9);

Tailwind

colors: {
  custom: {
    50: '#8d8fe6',
    500: '#4c63da',
    950: '#000000',
  },
}

SCSS

$custom: #4c63da;
$custom-light: #8d8fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63da",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 218
  },
  "hsl": {
    "h": 230.282,
    "s": 65.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.54854,
    "c": 0.18309,
    "h": 270.9
  },
  "luminance": 0.15522
}

Semantic roles & 50–950 ramp

primary

#4C63DA

secondary

#DDD4A4

accent

#CD3FE9

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4C63DA

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

Preview Lab → · Contrast checker → · Palette generator →