#4E66D3#4E66D3

#4E66D3 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.169 H 270.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#4E66D3
RGB	rgb(78, 102, 211)
HSL	hsl(229, 60%, 57%)
HSV	hsv(229, 63%, 83%)
CMYK	cmyk(63%, 51.7%, 0%, 17.3%)
CIE-LAB	lab(46.74, 25.19, -59.04)
CIE-LCH	lch(46.74, 64.19, 293.11°)
OKLab	oklab(55.04% 0.0017 -0.1693)
OKLCH	oklch(55.04% 0.169 270.6)
XYZ	xyz(19.6472, 15.8239, 63.6343)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66D3 #D3BB4E

analogous

#4EA9D3 #4E66D3 #794ED3

triadic

#4E66D3 #D34E66 #66D34E

tetradic

#4E66D3 #D34EA9 #D3BB4E #4ED379

square

#4E66D3 #D34EA9 #D3BB4E #4ED379

split-complementary

#4E66D3 #D3794E #A9D34E

monochromatic

#213385 #2D46B6 #4E66D3 #7F90DF #B0BBEB

Accessibility & contrast

On white

5.04

#4E66D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#4E66D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66D3

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66D3	#FFFFFF	#000000	##FFFFFF
##4E66D3	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)

#2475D7

Deuteranopia (green-blind)

#0069D1

Tritanopia (blue-blind)

#007F93

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4e66d3;
/* rgb */ color: rgb(78, 102, 211);
/* oklch */ color: oklch(55.0% 0.169 270.6);

Tailwind

colors: {
  custom: {
    50: '#8c91e1',
    500: '#4e66d3',
    950: '#000000',
  },
}

SCSS

$custom: #4e66d3;
$custom-light: #8c91e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66d3",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 211
  },
  "hsl": {
    "h": 229.173,
    "s": 60.181,
    "l": 56.667
  },
  "oklch": {
    "l": 0.55035,
    "c": 0.16933,
    "h": 270.6
  },
  "luminance": 0.15826
}

Semantic roles & 50–950 ramp

primary

#4E66D3

secondary

#DAD0A3

accent

#C744E3

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4E66D3

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

Preview Lab → · Contrast checker → · Palette generator →