#4B66E2#4B66E2

#4B66E2 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.190 H 269.9°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4B66E2
RGB	rgb(75, 102, 226)
HSL	hsl(229, 72%, 59%)
HSV	hsv(229, 67%, 89%)
CMYK	cmyk(66.8%, 54.9%, 0%, 11.4%)
CIE-LAB	lab(47.61, 29.89, -66.17)
CIE-LCH	lch(47.61, 72.61, 294.31°)
OKLab	oklab(55.97% -0.0003 -0.1904)
OKLCH	oklch(55.97% 0.19 269.9)
XYZ	xyz(21.3758, 16.4876, 73.9927)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B66E2 #E2C74B

analogous

#4BB1E2 #4B66E2 #7C4BE2

triadic

#4B66E2 #E24B66 #66E24B

tetradic

#4B66E2 #E24BB1 #E2C74B #4BE27C

square

#4B66E2 #E24BB1 #E2C74B #4BE27C

split-complementary

#4B66E2 #E27C4B #B1E24B

monochromatic

#19309A #2140CF #4B66E2 #8093EA #B4C0F3

Accessibility & contrast

On white

4.89

#4B66E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4B66E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B66E2

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B66E2	#FFFFFF	#000000	##FFFFFF
##4B66E2	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E6

Deuteranopia (green-blind)

#006AE0

Tritanopia (blue-blind)

#00849A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4b66e2;
/* rgb */ color: rgb(75, 102, 226);
/* oklch */ color: oklch(56.0% 0.190 269.9);

Tailwind

colors: {
  custom: {
    50: '#8e91ec',
    500: '#4b66e2',
    950: '#000000',
  },
}

SCSS

$custom: #4b66e2;
$custom-light: #8e91ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4b66e2",
  "rgb": {
    "r": 75,
    "g": 102,
    "b": 226
  },
  "hsl": {
    "h": 229.272,
    "s": 72.249,
    "l": 59.02
  },
  "oklch": {
    "l": 0.55969,
    "c": 0.19036,
    "h": 269.9
  },
  "luminance": 0.1649
}

Semantic roles & 50–950 ramp

primary

#4B66E2

secondary

#E2D7A7

accent

#CE39EF

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4B66E2

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

Preview Lab → · Contrast checker → · Palette generator →