#4B63DA#4B63DA

#4B63DA is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.8% C 0.183 H 270.6°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#4B63DA
RGB	rgb(75, 99, 218)
HSL	hsl(230, 66%, 57%)
HSV	hsv(230, 66%, 85%)
CMYK	cmyk(65.6%, 54.6%, 0%, 14.5%)
CIE-LAB	lab(46.28, 29.00, -63.78)
CIE-LCH	lch(46.28, 70.06, 294.45°)
OKLab	oklab(54.8% 0.0019 -0.1834)
OKLCH	oklch(54.8% 0.183 270.6)
XYZ	xyz(20.0141, 15.4797, 68.2492)
Luminance	0.1548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63DA #DAC24B

analogous

#4BABDA #4B63DA #7A4BDA

triadic

#4B63DA #DA4B63 #63DA4B

tetradic

#4B63DA #DA4BAB #DAC24B #4BDA7A

square

#4B63DA #DA4BAB #DAC24B #4BDA7A

split-complementary

#4B63DA #DA7A4B #ABDA4B

monochromatic

#1D308E #2841C0 #4B63DA #7E8FE4 #B1BBEF

Accessibility & contrast

On white

5.13

#4B63DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#4B63DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63DA

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63DA	#FFFFFF	#000000	##FFFFFF
##4B63DA	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DE

Deuteranopia (green-blind)

#0067D8

Tritanopia (blue-blind)

#008095

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4b63da;
/* rgb */ color: rgb(75, 99, 218);
/* oklch */ color: oklch(54.8% 0.183 270.6);

Tailwind

colors: {
  custom: {
    50: '#8c8fe6',
    500: '#4b63da',
    950: '#000000',
  },
}

SCSS

$custom: #4b63da;
$custom-light: #8c8fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63da",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 218
  },
  "hsl": {
    "h": 229.93,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.54798,
    "c": 0.18337,
    "h": 270.6
  },
  "luminance": 0.15481
}

Semantic roles & 50–950 ramp

primary

#4B63DA

secondary

#DDD4A4

accent

#CC3FE9

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4B63DA

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

Preview Lab → · Contrast checker → · Palette generator →