#4E66C0#4E66C0

#4E66C0 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.143 H 269.8°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4E66C0
RGB	rgb(78, 102, 192)
HSL	hsl(227, 48%, 53%)
HSV	hsv(227, 59%, 75%)
CMYK	cmyk(59.4%, 46.9%, 0%, 24.7%)
CIE-LAB	lab(45.53, 18.70, -50.06)
CIE-LCH	lch(45.53, 53.44, 290.48°)
OKLab	oklab(53.73% -0.0004 -0.1429)
OKLCH	oklch(53.73% 0.143 269.8)
XYZ	xyz(17.4045, 14.9268, 51.8229)
Luminance	0.1493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66C0 #C0A84E

analogous

#4E9FC0 #4E66C0 #6F4EC0

triadic

#4E66C0 #C04E66 #66C04E

tetradic

#4E66C0 #C04E9F #C0A84E #4EC06F

square

#4E66C0 #C04E9F #C0A84E #4EC06F

split-complementary

#4E66C0 #C06F4E #9FC04E

monochromatic

#27366D #374C9A #4E66C0 #7B8DD0 #A8B4E0

Accessibility & contrast

On white

5.27

#4E66C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#4E66C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66C0

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66C0	#FFFFFF	#000000	##FFFFFF
##4E66C0	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B71C3

Deuteranopia (green-blind)

#2967BE

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4e66c0;
/* rgb */ color: rgb(78, 102, 192);
/* oklch */ color: oklch(53.7% 0.143 269.8);

Tailwind

colors: {
  custom: {
    50: '#8991d3',
    500: '#4e66c0',
    950: '#000000',
  },
}

SCSS

$custom: #4e66c0;
$custom-light: #8991d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66c0",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 192
  },
  "hsl": {
    "h": 227.368,
    "s": 47.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53731,
    "c": 0.14291,
    "h": 269.8
  },
  "luminance": 0.14928
}

Semantic roles & 50–950 ramp

primary

#4E66C0

secondary

#CEC39C

accent

#BB51D7

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4E66C0

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

Preview Lab → · Contrast checker → · Palette generator →