#4E66D4#4E66D4

#4E66D4 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.1% C 0.171 H 270.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4E66D4
RGB	rgb(78, 102, 212)
HSL	hsl(229, 61%, 57%)
HSV	hsv(229, 63%, 83%)
CMYK	cmyk(63.2%, 51.9%, 0%, 16.9%)
CIE-LAB	lab(46.81, 25.54, -59.50)
CIE-LCH	lch(46.81, 64.75, 293.23°)
OKLab	oklab(55.11% 0.0018 -0.1707)
OKLCH	oklch(55.11% 0.171 270.6)
XYZ	xyz(19.7729, 15.8742, 64.2966)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66D4 #D4BC4E

analogous

#4EA9D4 #4E66D4 #794ED4

triadic

#4E66D4 #D44E66 #66D44E

tetradic

#4E66D4 #D44EA9 #D4BC4E #4ED479

square

#4E66D4 #D44EA9 #D4BC4E #4ED479

split-complementary

#4E66D4 #D4794E #A9D44E

monochromatic

#213387 #2D46B8 #4E66D4 #7F91E0 #B0BBEC

Accessibility & contrast

On white

5.03

#4E66D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#4E66D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66D4

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66D4	#FFFFFF	#000000	##FFFFFF
##4E66D4	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2375D8

Deuteranopia (green-blind)

#0069D2

Tritanopia (blue-blind)

#008093

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4e66d4;
/* rgb */ color: rgb(78, 102, 212);
/* oklch */ color: oklch(55.1% 0.171 270.6);

Tailwind

colors: {
  custom: {
    50: '#8d91e2',
    500: '#4e66d4',
    950: '#000000',
  },
}

SCSS

$custom: #4e66d4;
$custom-light: #8d91e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66d4",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 212
  },
  "hsl": {
    "h": 229.254,
    "s": 60.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55107,
    "c": 0.17069,
    "h": 270.6
  },
  "luminance": 0.15876
}

Semantic roles & 50–950 ramp

primary

#4E66D4

secondary

#DAD0A4

accent

#C744E4

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4E66D4

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

Preview Lab → · Contrast checker → · Palette generator →