#4C63E1#4C63E1

#4C63E1 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.4% C 0.192 H 270.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4C63E1
RGB	rgb(76, 99, 225)
HSL	hsl(231, 71%, 59%)
HSV	hsv(231, 66%, 88%)
CMYK	cmyk(66.2%, 56%, 0%, 11.8%)
CIE-LAB	lab(46.84, 31.56, -66.85)
CIE-LCH	lch(46.84, 73.93, 295.27°)
OKLab	oklab(55.38% 0.0032 -0.1924)
OKLCH	oklch(55.38% 0.192 270.9)
XYZ	xyz(21.0283, 15.8945, 73.1793)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63E1 #E1CA4C

analogous

#4CAEE1 #4C63E1 #804CE1

triadic

#4C63E1 #E14C63 #63E14C

tetradic

#4C63E1 #E14CAE #E1CA4C #4CE180

square

#4C63E1 #E14CAE #E1CA4C #4CE180

split-complementary

#4C63E1 #E1804C #AEE14C

monochromatic

#1A2D99 #223DCD #4C63E1 #8091EA #B5BEF3

Accessibility & contrast

On white

5.02

#4C63E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#4C63E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63E1

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63E1	#FFFFFF	#000000	##FFFFFF
##4C63E1	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E5

Deuteranopia (green-blind)

#0069DE

Tritanopia (blue-blind)

#008298

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4c63e1;
/* rgb */ color: rgb(76, 99, 225);
/* oklch */ color: oklch(55.4% 0.192 270.9);

Tailwind

colors: {
  custom: {
    50: '#8e8feb',
    500: '#4c63e1',
    950: '#000000',
  },
}

SCSS

$custom: #4c63e1;
$custom-light: #8e8feb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63e1",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 225
  },
  "hsl": {
    "h": 230.738,
    "s": 71.292,
    "l": 59.02
  },
  "oklch": {
    "l": 0.55383,
    "c": 0.19242,
    "h": 270.9
  },
  "luminance": 0.15896
}

Semantic roles & 50–950 ramp

primary

#4C63E1

secondary

#E2D9A7

accent

#D23AEE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4C63E1

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

Preview Lab → · Contrast checker → · Palette generator →