#4C66E2#4C66E2

#4C66E2 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.190 H 270.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4C66E2
RGB	rgb(76, 102, 226)
HSL	hsl(230, 72%, 59%)
HSV	hsv(230, 66%, 89%)
CMYK	cmyk(66.4%, 54.9%, 0%, 11.4%)
CIE-LAB	lab(47.66, 30.04, -66.08)
CIE-LCH	lch(47.66, 72.59, 294.45°)
OKLab	oklab(56.02% 0.0007 -0.1901)
OKLCH	oklch(56.02% 0.19 270.2)
XYZ	xyz(21.4547, 16.5282, 73.9964)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66E2 #E2C84C

analogous

#4CB1E2 #4C66E2 #7D4CE2

triadic

#4C66E2 #E24C66 #66E24C

tetradic

#4C66E2 #E24CB1 #E2C84C #4CE27D

square

#4C66E2 #E24CB1 #E2C84C #4CE27D

split-complementary

#4C66E2 #E27D4C #B1E24C

monochromatic

#192F9B #2240CF #4C66E2 #8193EB #B5C0F3

Accessibility & contrast

On white

4.88

#4C66E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4C66E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66E2

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66E2	#FFFFFF	#000000	##FFFFFF
##4C66E2	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E6

Deuteranopia (green-blind)

#006BE0

Tritanopia (blue-blind)

#00849A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4c66e2;
/* rgb */ color: rgb(76, 102, 226);
/* oklch */ color: oklch(56.0% 0.190 270.2);

Tailwind

colors: {
  custom: {
    50: '#8e91ec',
    500: '#4c66e2',
    950: '#000000',
  },
}

SCSS

$custom: #4c66e2;
$custom-light: #8e91ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66e2",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 226
  },
  "hsl": {
    "h": 229.6,
    "s": 72.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.56023,
    "c": 0.19008,
    "h": 270.2
  },
  "luminance": 0.1653
}

Semantic roles & 50–950 ramp

primary

#4C66E2

secondary

#E2D8A8

accent

#CF39EF

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4C66E2

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

Preview Lab → · Contrast checker → · Palette generator →