#4B66D2#4B66D2

#4B66D2 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.8% C 0.169 H 269.5°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4B66D2
RGB	rgb(75, 102, 210)
HSL	hsl(228, 60%, 56%)
HSV	hsv(228, 64%, 82%)
CMYK	cmyk(64.3%, 51.4%, 0%, 17.6%)
CIE-LAB	lab(46.51, 24.34, -58.85)
CIE-LCH	lch(46.51, 63.68, 292.47°)
OKLab	oklab(54.8% -0.0014 -0.1688)
OKLCH	oklch(54.8% 0.169 269.5)
XYZ	xyz(19.2819, 15.6500, 62.9649)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B66D2 #D2B74B

analogous

#4BA9D2 #4B66D2 #734BD2

triadic

#4B66D2 #D24B66 #66D24B

tetradic

#4B66D2 #D24BA9 #D2B74B #4BD273

square

#4B66D2 #D24BA9 #D2B74B #4BD273

split-complementary

#4B66D2 #D2734B #A9D24B

monochromatic

#213482 #2D48B3 #4B66D2 #7C90DE #ADB9EA

Accessibility & contrast

On white

5.08

#4B66D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#4B66D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B66D2

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B66D2	#FFFFFF	#000000	##FFFFFF
##4B66D2	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2575D6

Deuteranopia (green-blind)

#0068D0

Tritanopia (blue-blind)

#007F92

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4b66d2;
/* rgb */ color: rgb(75, 102, 210);
/* oklch */ color: oklch(54.8% 0.169 269.5);

Tailwind

colors: {
  custom: {
    50: '#8b91e0',
    500: '#4b66d2',
    950: '#000000',
  },
}

SCSS

$custom: #4b66d2;
$custom-light: #8b91e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b66d2",
  "rgb": {
    "r": 75,
    "g": 102,
    "b": 210
  },
  "hsl": {
    "h": 228,
    "s": 60,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54796,
    "c": 0.16883,
    "h": 269.5
  },
  "luminance": 0.15652
}

Semantic roles & 50–950 ramp

primary

#4B66D2

secondary

#D8CDA0

accent

#C345E3

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B66D2

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

Preview Lab → · Contrast checker → · Palette generator →