#4D66DE#4D66DE

#4D66DE is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.8% C 0.184 H 270.5°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#4D66DE
RGBrgb(77, 102, 222)
HSLhsl(230, 69%, 59%)
HSVhsv(230, 65%, 87%)
CMYKcmyk(65.3%, 54.1%, 0%, 12.9%)
CIE-LABlab(47.43, 28.81, -64.18)
CIE-LCHlch(47.43, 70.35, 294.18°)
OKLaboklab(55.78% 0.0014 -0.1845)
OKLCHoklch(55.78% 0.184 270.5)
XYZxyz(20.9923, 16.3525, 71.1432)
Luminance0.1635 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4D66DE #DEC54D
analogous
#4DAEDE #4D66DE #7C4DDE
triadic
#4D66DE #DE4D66 #66DE4D
tetradic
#4D66DE #DE4DAE #DEC54D #4DDE7C
square
#4D66DE #DE4DAE #DEC54D #4DDE7C
split-complementary
#4D66DE #DE7C4D #AEDE4D
monochromatic
#1C3195 #2541C9 #4D66DE #8192E8 #B4BFF1

Accessibility & contrast

On white

4.92
#4D66DE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.27
#4D66DE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66DE
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4D66DE#FFFFFF#000000##FFFFFF
##4D66DE1.004.924.274.92
#FFFFFF4.921.0021.001.00
#0000004.2721.001.0021.00
##FFFFFF4.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0577E2
Deuteranopia (green-blind)
#006ADC
Tritanopia (blue-blind)
#008398
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #4d66de;
/* rgb */ color: rgb(77, 102, 222);
/* oklch */ color: oklch(55.8% 0.184 270.5);
Tailwind
colors: {
  custom: {
    50: '#8e91e9',
    500: '#4d66de',
    950: '#000000',
  },
}
SCSS
$custom: #4d66de;
$custom-light: #8e91e9;
$custom-dark: #000000;
JSON
{
  "hex": "#4d66de",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 222
  },
  "hsl": {
    "h": 229.655,
    "s": 68.72,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55778,
    "c": 0.18448,
    "h": 270.5
  },
  "luminance": 0.16354
}

Semantic roles & 50–950 ramp

primary
#4D66DE
secondary
#E0D6A7
accent
#CD3CEC
background
#F9F8FE
surface
#F2F0FD
border
#CCCBD5
text
#0E0C16
muted
#7E7D84

Preview Lab

Preview with #4D66DE

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

Preview Lab → · Contrast checker → · Palette generator →

#4D66DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva