#4E66C3#4E66C3

#4E66C3 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.147 H 270.0°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#4E66C3
RGBrgb(78, 102, 195)
HSLhsl(228, 49%, 54%)
HSVhsv(228, 60%, 76%)
CMYKcmyk(60%, 47.7%, 0%, 23.5%)
CIE-LABlab(45.72, 19.72, -51.50)
CIE-LCHlch(45.72, 55.15, 290.95°)
OKLaboklab(53.93% 0 -0.1471)
OKLCHoklch(53.93% 0.147 270)
XYZxyz(17.7403, 15.0611, 53.5914)
Luminance0.1506 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E66C3 #C3AB4E
analogous
#4EA0C3 #4E66C3 #704EC3
triadic
#4E66C3 #C34E66 #66C34E
tetradic
#4E66C3 #C34EA0 #C3AB4E #4EC370
square
#4E66C3 #C34EA0 #C3AB4E #4EC370
split-complementary
#4E66C3 #C3704E #A0C34E
monochromatic
#263570 #364B9E #4E66C3 #7C8ED2 #A9B5E2

Accessibility & contrast

On white

5.23
#4E66C3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#4E66C3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66C3
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E66C3#FFFFFF#000000##FFFFFF
##4E66C31.005.234.015.23
#FFFFFF5.231.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3872C6
Deuteranopia (green-blind)
#2467C1
Tritanopia (blue-blind)
#007B8B
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #4e66c3;
/* rgb */ color: rgb(78, 102, 195);
/* oklch */ color: oklch(53.9% 0.147 270.0);
Tailwind
colors: {
  custom: {
    50: '#8a91d6',
    500: '#4e66c3',
    950: '#000000',
  },
}
SCSS
$custom: #4e66c3;
$custom-light: #8a91d6;
$custom-dark: #000000;
JSON
{
  "hex": "#4e66c3",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 195
  },
  "hsl": {
    "h": 227.692,
    "s": 49.367,
    "l": 53.529
  },
  "oklch": {
    "l": 0.5393,
    "c": 0.14714,
    "h": 270
  },
  "luminance": 0.15063
}

Semantic roles & 50–950 ramp

primary
#4E66C3
secondary
#CFC59D
accent
#BD4FD9
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0D0C14
muted
#7D7D83

Preview Lab

Preview with #4E66C3

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

Preview Lab → · Contrast checker → · Palette generator →

#4E66C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva