#4E66DD#4E66DD

#4E66DD is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.8% C 0.183 H 270.7°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4E66DD
RGB	rgb(78, 102, 221)
HSL	hsl(230, 68%, 59%)
HSV	hsv(230, 65%, 87%)
CMYK	cmyk(64.7%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(47.42, 28.63, -63.63)
CIE-LCH	lch(47.42, 69.78, 294.22°)
OKLab	oklab(55.76% 0.0024 -0.1828)
OKLCH	oklch(55.76% 0.183 270.7)
XYZ	xyz(20.9400, 16.3410, 70.4432)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66DD #DDC54E

analogous

#4EADDD #4E66DD #7D4EDD

triadic

#4E66DD #DD4E66 #66DD4E

tetradic

#4E66DD #DD4EAD #DDC54E #4EDD7D

square

#4E66DD #DD4EAD #DDC54E #4EDD7D

split-complementary

#4E66DD #DD7D4E #ADDD4E

monochromatic

#1C3194 #2641C7 #4E66DD #8192E7 #B5BFF1

Accessibility & contrast

On white

4.92

#4E66DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#4E66DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66DD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66DD	#FFFFFF	#000000	##FFFFFF
##4E66DD	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B77E1

Deuteranopia (green-blind)

#006ADB

Tritanopia (blue-blind)

#008298

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4e66dd;
/* rgb */ color: rgb(78, 102, 221);
/* oklch */ color: oklch(55.8% 0.183 270.7);

Tailwind

colors: {
  custom: {
    50: '#8e91e8',
    500: '#4e66dd',
    950: '#000000',
  },
}

SCSS

$custom: #4e66dd;
$custom-light: #8e91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66dd",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 229.93,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.5576,
    "c": 0.18286,
    "h": 270.7
  },
  "luminance": 0.16343
}

Semantic roles & 50–950 ramp

primary

#4E66DD

secondary

#E0D6A7

accent

#CE3DEB

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4E66DD

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

Preview Lab → · Contrast checker → · Palette generator →