#4E66E1#4E66E1

#4E66E1 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 56.1% C 0.188 H 270.8°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4E66E1
RGB	rgb(78, 102, 225)
HSL	hsl(230, 71%, 59%)
HSV	hsv(230, 65%, 88%)
CMYK	cmyk(65.3%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(47.70, 30.00, -65.45)
CIE-LCH	lch(47.70, 72.00, 294.62°)
OKLab	oklab(56.06% 0.0026 -0.1882)
OKLCH	oklch(56.06% 0.188 270.8)
XYZ	xyz(21.4793, 16.5567, 73.2834)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66E1 #E1C94E

analogous

#4EB0E1 #4E66E1 #804EE1

triadic

#4E66E1 #E14E66 #66E14E

tetradic

#4E66E1 #E14EB0 #E1C94E #4EE180

square

#4E66E1 #E14EB0 #E1C94E #4EE180

split-complementary

#4E66E1 #E1804E #B0E14E

monochromatic

#1A2F9A #233FCF #4E66E1 #8293EA #B7C0F3

Accessibility & contrast

On white

4.87

#4E66E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4E66E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66E1

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66E1	#FFFFFF	#000000	##FFFFFF
##4E66E1	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E5

Deuteranopia (green-blind)

#006BDF

Tritanopia (blue-blind)

#00839A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4e66e1;
/* rgb */ color: rgb(78, 102, 225);
/* oklch */ color: oklch(56.1% 0.188 270.8);

Tailwind

colors: {
  custom: {
    50: '#8f91eb',
    500: '#4e66e1',
    950: '#000000',
  },
}

SCSS

$custom: #4e66e1;
$custom-light: #8f91eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66e1",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 230.204,
    "s": 71.014,
    "l": 59.412
  },
  "oklch": {
    "l": 0.56056,
    "c": 0.1882,
    "h": 270.8
  },
  "luminance": 0.16559
}

Semantic roles & 50–950 ramp

primary

#4E66E1

secondary

#E2D9A9

accent

#D03AEE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4E66E1

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

Preview Lab → · Contrast checker → · Palette generator →