#4E66D8#4E66D8

#4E66D8 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.176 H 270.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4E66D8
RGB	rgb(78, 102, 216)
HSL	hsl(230, 64%, 58%)
HSV	hsv(230, 64%, 85%)
CMYK	cmyk(63.9%, 52.8%, 0%, 15.3%)
CIE-LAB	lab(47.08, 26.91, -61.35)
CIE-LCH	lch(47.08, 66.99, 293.68°)
OKLab	oklab(55.39% 0.0021 -0.1761)
OKLCH	oklch(55.39% 0.176 270.7)
XYZ	xyz(20.2837, 16.0785, 66.9870)
Luminance	0.1608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66D8 #D8C04E

analogous

#4EABD8 #4E66D8 #7B4ED8

triadic

#4E66D8 #D84E66 #66D84E

tetradic

#4E66D8 #D84EAB #D8C04E #4ED87B

square

#4E66D8 #D84EAB #D8C04E #4ED87B

split-complementary

#4E66D8 #D87B4E #ABD84E

monochromatic

#1F328D #2A44BF #4E66D8 #8091E3 #B2BDEE

Accessibility & contrast

On white

4.98

#4E66D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#4E66D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66D8

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66D8	#FFFFFF	#000000	##FFFFFF
##4E66D8	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B76DC

Deuteranopia (green-blind)

#006AD6

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4e66d8;
/* rgb */ color: rgb(78, 102, 216);
/* oklch */ color: oklch(55.4% 0.176 270.7);

Tailwind

colors: {
  custom: {
    50: '#8d91e5',
    500: '#4e66d8',
    950: '#000000',
  },
}

SCSS

$custom: #4e66d8;
$custom-light: #8d91e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66d8",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 216
  },
  "hsl": {
    "h": 229.565,
    "s": 63.889,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55394,
    "c": 0.17612,
    "h": 270.7
  },
  "luminance": 0.1608
}

Semantic roles & 50–950 ramp

primary

#4E66D8

secondary

#DDD3A5

accent

#CA41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4E66D8

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

Preview Lab → · Contrast checker → · Palette generator →