#4E66C6#4E66C6

#4E66C6 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.1% C 0.151 H 270.1°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4E66C6
RGB	rgb(78, 102, 198)
HSL	hsl(228, 51%, 54%)
HSV	hsv(228, 61%, 78%)
CMYK	cmyk(60.6%, 48.5%, 0%, 22.4%)
CIE-LAB	lab(45.90, 20.74, -52.93)
CIE-LCH	lch(45.90, 56.85, 291.40°)
OKLab	oklab(54.13% 0.0004 -0.1514)
OKLCH	oklch(54.13% 0.151 270.1)
XYZ	xyz(18.0829, 15.1982, 55.3957)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66C6 #C6AE4E

analogous

#4EA2C6 #4E66C6 #724EC6

triadic

#4E66C6 #C64E66 #66C64E

tetradic

#4E66C6 #C64EA2 #C6AE4E #4EC672

square

#4E66C6 #C64EA2 #C6AE4E #4EC672

split-complementary

#4E66C6 #C6724E #A2C64E

monochromatic

#253574 #344AA2 #4E66C6 #7C8ED5 #ABB6E4

Accessibility & contrast

On white

5.20

#4E66C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#4E66C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66C6

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66C6	#FFFFFF	#000000	##FFFFFF
##4E66C6	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3572CA

Deuteranopia (green-blind)

#1F68C4

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4e66c6;
/* rgb */ color: rgb(78, 102, 198);
/* oklch */ color: oklch(54.1% 0.151 270.1);

Tailwind

colors: {
  custom: {
    50: '#8a91d8',
    500: '#4e66c6',
    950: '#000000',
  },
}

SCSS

$custom: #4e66c6;
$custom-light: #8a91d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66c6",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 198
  },
  "hsl": {
    "h": 228,
    "s": 51.282,
    "l": 54.118
  },
  "oklch": {
    "l": 0.54132,
    "c": 0.15135,
    "h": 270.1
  },
  "luminance": 0.152
}

Semantic roles & 50–950 ramp

primary

#4E66C6

secondary

#D1C79E

accent

#BE4DDB

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #4E66C6

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

Preview Lab → · Contrast checker → · Palette generator →