#4E66C8#4E66C8

#4E66C8 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.3% C 0.154 H 270.2°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4E66C8
RGB	rgb(78, 102, 200)
HSL	hsl(228, 53%, 55%)
HSV	hsv(228, 61%, 78%)
CMYK	cmyk(61%, 49%, 0%, 21.6%)
CIE-LAB	lab(46.03, 21.43, -53.88)
CIE-LCH	lch(46.03, 57.98, 291.69°)
OKLab	oklab(54.27% 0.0006 -0.1541)
OKLCH	oklch(54.27% 0.154 270.2)
XYZ	xyz(18.3151, 15.2911, 56.6187)
Luminance	0.1529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66C8 #C8B04E

analogous

#4EA3C8 #4E66C8 #734EC8

triadic

#4E66C8 #C84E66 #66C84E

tetradic

#4E66C8 #C84EA3 #C8B04E #4EC873

square

#4E66C8 #C84EA3 #C8B04E #4EC873

split-complementary

#4E66C8 #C8734E #A3C84E

monochromatic

#253577 #334AA5 #4E66C8 #7D8ED7 #ABB7E5

Accessibility & contrast

On white

5.17

#4E66C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4E66C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66C8

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66C8	#FFFFFF	#000000	##FFFFFF
##4E66C8	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3373CC

Deuteranopia (green-blind)

#1B68C6

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4e66c8;
/* rgb */ color: rgb(78, 102, 200);
/* oklch */ color: oklch(54.3% 0.154 270.2);

Tailwind

colors: {
  custom: {
    50: '#8a91d9',
    500: '#4e66c8',
    950: '#000000',
  },
}

SCSS

$custom: #4e66c8;
$custom-light: #8a91d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66c8",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 200
  },
  "hsl": {
    "h": 228.197,
    "s": 52.586,
    "l": 54.51
  },
  "oklch": {
    "l": 0.54268,
    "c": 0.15414,
    "h": 270.2
  },
  "luminance": 0.15293
}

Semantic roles & 50–950 ramp

primary

#4E66C8

secondary

#D3C99F

accent

#C04CDC

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4E66C8

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

Preview Lab → · Contrast checker → · Palette generator →