#4D63DF#4D63DF

#4D63DF is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.3% C 0.189 H 271.2°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#4D63DF
RGB	rgb(77, 99, 223)
HSL	hsl(231, 70%, 59%)
HSV	hsv(231, 65%, 87%)
CMYK	cmyk(65.5%, 55.6%, 0%, 12.5%)
CIE-LAB	lab(46.75, 31.03, -65.86)
CIE-LCH	lch(46.75, 72.80, 295.23°)
OKLab	oklab(55.29% 0.0041 -0.1894)
OKLCH	oklch(55.29% 0.189 271.2)
XYZ	xyz(20.8372, 15.8273, 71.7546)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63DF #DFC94D

analogous

#4DACDF #4D63DF #804DDF

triadic

#4D63DF #DF4D63 #63DF4D

tetradic

#4D63DF #DF4DAC #DFC94D #4DDF80

square

#4D63DF #DF4DAC #DFC94D #4DDF80

split-complementary

#4D63DF #DF804D #ACDF4D

monochromatic

#1B2E97 #243DCA #4D63DF #8190E8 #B5BEF2

Accessibility & contrast

On white

5.04

#4D63DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#4D63DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63DF

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63DF	#FFFFFF	#000000	##FFFFFF
##4D63DF	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E3

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4d63df;
/* rgb */ color: rgb(77, 99, 223);
/* oklch */ color: oklch(55.3% 0.189 271.2);

Tailwind

colors: {
  custom: {
    50: '#8e8fea',
    500: '#4d63df',
    950: '#000000',
  },
}

SCSS

$custom: #4d63df;
$custom-light: #8e8fea;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63df",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 223
  },
  "hsl": {
    "h": 230.959,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.55286,
    "c": 0.18949,
    "h": 271.2
  },
  "luminance": 0.15829
}

Semantic roles & 50–950 ramp

primary

#4D63DF

secondary

#E1D8A7

accent

#D23BEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4D63DF

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

Preview Lab → · Contrast checker → · Palette generator →