#4E66D1#4E66D1

#4E66D1 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.9% C 0.167 H 270.5°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4E66D1
RGB	rgb(78, 102, 209)
HSL	hsl(229, 59%, 56%)
HSV	hsv(229, 63%, 82%)
CMYK	cmyk(62.7%, 51.2%, 0%, 18%)
CIE-LAB	lab(46.61, 24.51, -58.11)
CIE-LCH	lch(46.61, 63.06, 292.87°)
OKLab	oklab(54.89% 0.0015 -0.1666)
OKLCH	oklch(54.89% 0.167 270.5)
XYZ	xyz(19.3980, 15.7242, 62.3221)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66D1 #D1B94E

analogous

#4EA8D1 #4E66D1 #784ED1

triadic

#4E66D1 #D14E66 #66D14E

tetradic

#4E66D1 #D14EA8 #D1B94E #4ED178

square

#4E66D1 #D14EA8 #D1B94E #4ED178

split-complementary

#4E66D1 #D1784E #A8D14E

monochromatic

#223483 #2F47B3 #4E66D1 #7F90DE #AFBAEA

Accessibility & contrast

On white

5.07

#4E66D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#4E66D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66D1

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66D1	#FFFFFF	#000000	##FFFFFF
##4E66D1	1.00	5.07	4.15	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2875D5

Deuteranopia (green-blind)

#0069CF

Tritanopia (blue-blind)

#007F92

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4e66d1;
/* rgb */ color: rgb(78, 102, 209);
/* oklch */ color: oklch(54.9% 0.167 270.5);

Tailwind

colors: {
  custom: {
    50: '#8c91e0',
    500: '#4e66d1',
    950: '#000000',
  },
}

SCSS

$custom: #4e66d1;
$custom-light: #8c91e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66d1",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 209
  },
  "hsl": {
    "h": 229.008,
    "s": 58.744,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54893,
    "c": 0.16659,
    "h": 270.5
  },
  "luminance": 0.15726
}

Semantic roles & 50–950 ramp

primary

#4E66D1

secondary

#D8CEA2

accent

#C546E2

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4E66D1

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

Preview Lab → · Contrast checker → · Palette generator →