#4E66CF#4E66CF

#4E66CF is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.8% C 0.164 H 270.5°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4E66CF
RGB	rgb(78, 102, 207)
HSL	hsl(229, 57%, 56%)
HSV	hsv(229, 62%, 81%)
CMYK	cmyk(62.3%, 50.7%, 0%, 18.8%)
CIE-LAB	lab(46.48, 23.82, -57.17)
CIE-LCH	lch(46.48, 61.94, 292.62°)
OKLab	oklab(54.75% 0.0013 -0.1638)
OKLCH	oklch(54.75% 0.164 270.5)
XYZ	xyz(19.1520, 15.6258, 61.0262)
Luminance	0.1563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66CF #CFB74E

analogous

#4EA6CF #4E66CF #764ECF

triadic

#4E66CF #CF4E66 #66CF4E

tetradic

#4E66CF #CF4EA6 #CFB74E #4ECF76

square

#4E66CF #CF4EA6 #CFB74E #4ECF76

split-complementary

#4E66CF #CF764E #A6CF4E

monochromatic

#233480 #3048B0 #4E66CF #7E90DC #AEB9E9

Accessibility & contrast

On white

5.09

#4E66CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#4E66CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66CF

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66CF	#FFFFFF	#000000	##FFFFFF
##4E66CF	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A74D3

Deuteranopia (green-blind)

#0069CD

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4e66cf;
/* rgb */ color: rgb(78, 102, 207);
/* oklch */ color: oklch(54.8% 0.164 270.5);

Tailwind

colors: {
  custom: {
    50: '#8c91de',
    500: '#4e66cf',
    950: '#000000',
  },
}

SCSS

$custom: #4e66cf;
$custom-light: #8c91de;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66cf",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 207
  },
  "hsl": {
    "h": 228.837,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54753,
    "c": 0.16384,
    "h": 270.5
  },
  "luminance": 0.15627
}

Semantic roles & 50–950 ramp

primary

#4E66CF

secondary

#D7CDA2

accent

#C447E1

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4E66CF

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

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