#4E66D9#4E66D9

#4E66D9 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.5% C 0.177 H 270.7°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4E66D9
RGB	rgb(78, 102, 217)
HSL	hsl(230, 65%, 58%)
HSV	hsv(230, 64%, 85%)
CMYK	cmyk(64.1%, 53%, 0%, 14.9%)
CIE-LAB	lab(47.15, 27.25, -61.81)
CIE-LCH	lch(47.15, 67.55, 293.79°)
OKLab	oklab(55.47% 0.0021 -0.1775)
OKLCH	oklch(55.47% 0.177 270.7)
XYZ	xyz(20.4134, 16.1304, 67.6699)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66D9 #D9C14E

analogous

#4EACD9 #4E66D9 #7B4ED9

triadic

#4E66D9 #D94E66 #66D94E

tetradic

#4E66D9 #D94EAC #D9C14E #4ED97B

square

#4E66D9 #D94EAC #D9C14E #4ED97B

split-complementary

#4E66D9 #D97B4E #ACD94E

monochromatic

#1F328E #2943C0 #4E66D9 #8092E4 #B3BDEF

Accessibility & contrast

On white

4.97

#4E66D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#4E66D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66D9

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66D9	#FFFFFF	#000000	##FFFFFF
##4E66D9	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1876DD

Deuteranopia (green-blind)

#006AD7

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4e66d9;
/* rgb */ color: rgb(78, 102, 217);
/* oklch */ color: oklch(55.5% 0.177 270.7);

Tailwind

colors: {
  custom: {
    50: '#8d91e5',
    500: '#4e66d9',
    950: '#000000',
  },
}

SCSS

$custom: #4e66d9;
$custom-light: #8d91e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66d9",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 217
  },
  "hsl": {
    "h": 229.64,
    "s": 64.651,
    "l": 57.843
  },
  "oklch": {
    "l": 0.55467,
    "c": 0.17747,
    "h": 270.7
  },
  "luminance": 0.16132
}

Semantic roles & 50–950 ramp

primary

#4E66D9

secondary

#DDD4A6

accent

#CB40E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4E66D9

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

Preview Lab → · Contrast checker → · Palette generator →