#4E63DB#4E63DB

#4E63DB is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.0% C 0.184 H 271.5°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4E63DB
RGB	rgb(78, 99, 219)
HSL	hsl(231, 66%, 58%)
HSV	hsv(231, 64%, 86%)
CMYK	cmyk(64.4%, 54.8%, 0%, 14.1%)
CIE-LAB	lab(46.52, 29.81, -63.95)
CIE-LCH	lch(46.52, 70.56, 294.99°)
OKLab	oklab(55.04% 0.0049 -0.1838)
OKLCH	oklch(55.04% 0.184 271.5)
XYZ	xyz(20.3856, 15.6560, 68.9517)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63DB #DBC64E

analogous

#4EA9DB #4E63DB #7F4EDB

triadic

#4E63DB #DB4E63 #63DB4E

tetradic

#4E63DB #DB4EA9 #DBC64E #4EDB7F

square

#4E63DB #DB4EA9 #DBC64E #4EDB7F

split-complementary

#4E63DB #DB7F4E #A9DB4E

monochromatic

#1E2F91 #283FC4 #4E63DB #8190E5 #B4BDF0

Accessibility & contrast

On white

5.08

#4E63DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#4E63DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63DB

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63DB	#FFFFFF	#000000	##FFFFFF
##4E63DB	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	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: #4e63db;
/* rgb */ color: rgb(78, 99, 219);
/* oklch */ color: oklch(55.0% 0.184 271.5);

Tailwind

colors: {
  custom: {
    50: '#8e8fe7',
    500: '#4e63db',
    950: '#000000',
  },
}

SCSS

$custom: #4e63db;
$custom-light: #8e8fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63db",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 219
  },
  "hsl": {
    "h": 231.064,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.55041,
    "c": 0.18389,
    "h": 271.5
  },
  "luminance": 0.15658
}

Semantic roles & 50–950 ramp

primary

#4E63DB

secondary

#DED6A6

accent

#D03FE9

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4E63DB

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

Preview Lab → · Contrast checker → · Palette generator →