#4A66D8#4A66D8

#4A66D8 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.177 H 269.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#4A66D8
RGBrgb(74, 102, 216)
HSLhsl(228, 65%, 57%)
HSVhsv(228, 66%, 85%)
CMYKcmyk(65.7%, 52.8%, 0%, 15.3%)
CIE-LABlab(46.86, 26.27, -61.71)
CIE-LCHlch(46.86, 67.06, 293.06°)
OKLaboklab(55.18% -0.0018 -0.1772)
OKLCHoklch(55.18% 0.177 269.4)
XYZxyz(19.9659, 15.9146, 66.9721)
Luminance0.1592 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4A66D8 #D8BC4A
analogous
#4AADD8 #4A66D8 #754AD8
triadic
#4A66D8 #D84A66 #66D84A
tetradic
#4A66D8 #D84AAD #D8BC4A #4AD875
square
#4A66D8 #D84AAD #D8BC4A #4AD875
split-complementary
#4A66D8 #D8754A #ADD84A
monochromatic
#1E338A #2946BC #4A66D8 #7C91E3 #AFBBEE

Accessibility & contrast

On white

5.02
#4A66D8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.18
#4A66D8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66D8
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4A66D8#FFFFFF#000000##FFFFFF
##4A66D81.005.024.185.02
#FFFFFF5.021.0021.001.00
#0000004.1821.001.0021.00
##FFFFFF5.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1976DC
Deuteranopia (green-blind)
#0069D6
Tritanopia (blue-blind)
#008195
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #4a66d8;
/* rgb */ color: rgb(74, 102, 216);
/* oklch */ color: oklch(55.2% 0.177 269.4);
Tailwind
colors: {
  custom: {
    50: '#8b91e5',
    500: '#4a66d8',
    950: '#000000',
  },
}
SCSS
$custom: #4a66d8;
$custom-light: #8b91e5;
$custom-dark: #000000;
JSON
{
  "hex": "#4a66d8",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 216
  },
  "hsl": {
    "h": 228.169,
    "s": 64.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55175,
    "c": 0.17726,
    "h": 269.4
  },
  "luminance": 0.15916
}

Semantic roles & 50–950 ramp

primary
#4A66D8
secondary
#DCD0A2
accent
#C740E8
background
#F9F8FE
surface
#F1F0FC
border
#CBCBD5
text
#0D0C16
muted
#7E7D84

Preview Lab

Preview with #4A66D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4A66D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva