#4E66E5#4E66E5

#4E66E5 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.4% C 0.194 H 270.8°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4E66E5
RGB	rgb(78, 102, 229)
HSL	hsl(230, 74%, 60%)
HSV	hsv(230, 66%, 90%)
CMYK	cmyk(65.9%, 55.5%, 0%, 10.2%)
CIE-LAB	lab(47.98, 31.37, -67.25)
CIE-LCH	lch(47.98, 74.21, 295.01°)
OKLab	oklab(56.36% 0.0028 -0.1935)
OKLCH	oklch(56.36% 0.194 270.8)
XYZ	xyz(22.0313, 16.7775, 76.1909)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66E5 #E5CD4E

analogous

#4EB1E5 #4E66E5 #824EE5

triadic

#4E66E5 #E54E66 #66E54E

tetradic

#4E66E5 #E54EB1 #E5CD4E #4EE582

square

#4E66E5 #E54EB1 #E5CD4E #4EE582

split-complementary

#4E66E5 #E5824E #B1E54E

monochromatic

#182DA1 #1F3DD6 #4E66E5 #8394ED #B9C2F5

Accessibility & contrast

On white

4.82

#4E66E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4E66E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66E5

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66E5	#FFFFFF	#000000	##FFFFFF
##4E66E5	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E9

Deuteranopia (green-blind)

#006BE2

Tritanopia (blue-blind)

#00859C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e66e5;
/* rgb */ color: rgb(78, 102, 229);
/* oklch */ color: oklch(56.4% 0.194 270.8);

Tailwind

colors: {
  custom: {
    50: '#9091ee',
    500: '#4e66e5',
    950: '#000000',
  },
}

SCSS

$custom: #4e66e5;
$custom-light: #9091ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66e5",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 229
  },
  "hsl": {
    "h": 230.464,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.56357,
    "c": 0.1935,
    "h": 270.8
  },
  "luminance": 0.1678
}

Semantic roles & 50–950 ramp

primary

#4E66E5

secondary

#E4DBAA

accent

#B70FD7

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4E66E5

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

Preview Lab → · Contrast checker → · Palette generator →