#4B66A2#4B66A2

#4B66A2 is a mid, moderate blue. Relative luminance 0.136; OKLCH L 51.7% C 0.101 H 264.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#4B66A2
RGBrgb(75, 102, 162)
HSLhsl(221, 37%, 46%)
HSVhsv(221, 54%, 64%)
CMYKcmyk(53.7%, 37%, 0%, 36.5%)
CIE-LABlab(43.66, 7.97, -35.50)
CIE-LCHlch(43.66, 36.38, 282.65°)
OKLaboklab(51.7% -0.0092 -0.1003)
OKLCHoklch(51.7% 0.101 264.8)
XYZxyz(14.1724, 13.6062, 36.0548)
Luminance0.1361 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B66A2 #A2874B
analogous
#4B92A2 #4B66A2 #5C4BA2
triadic
#4B66A2 #A24B66 #66A24B
tetradic
#4B66A2 #A24B92 #A2874B #4BA25C
square
#4B66A2 #A24B92 #A2874B #4BA25C
split-complementary
#4B66A2 #A25C4B #92A24B
monochromatic
#24314E #384C78 #4B66A2 #6E86BC #98A9CF

Accessibility & contrast

On white

5.64
#4B66A2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.72
#4B66A2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B66A2
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B66A2#FFFFFF#000000##FFFFFF
##4B66A21.005.643.725.64
#FFFFFF5.641.0021.001.00
#0000003.7221.001.0021.00
##FFFFFF5.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E6BA4
Deuteranopia (green-blind)
#4464A1
Tritanopia (blue-blind)
#1F737C
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #4b66a2;
/* rgb */ color: rgb(75, 102, 162);
/* oklch */ color: oklch(51.7% 0.101 264.8);
Tailwind
colors: {
  custom: {
    50: '#8391be',
    500: '#4b66a2',
    950: '#000000',
  },
}
SCSS
$custom: #4b66a2;
$custom-light: #8391be;
$custom-dark: #000000;
JSON
{
  "hex": "#4b66a2",
  "rgb": {
    "r": 75,
    "g": 102,
    "b": 162
  },
  "hsl": {
    "h": 221.379,
    "s": 36.709,
    "l": 46.471
  },
  "oklch": {
    "l": 0.51696,
    "c": 0.10073,
    "h": 264.8
  },
  "luminance": 0.13607
}

Semantic roles & 50–950 ramp

primary
#4B66A2
secondary
#BCAD8D
accent
#A95BCD
background
#F8F8FB
surface
#EFF0F6
border
#CACBD0
text
#0B0C12
muted
#7C7D81

Preview Lab

Preview with #4B66A2

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

Preview Lab → · Contrast checker → · Palette generator →

#4B66A2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva