#4E66A4#4E66A4

#4E66A4 is a mid, moderate blue. Relative luminance 0.138; OKLCH L 52.0% C 0.103 H 266.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4E66A4
RGB	rgb(78, 102, 164)
HSL	hsl(223, 36%, 47%)
HSV	hsv(223, 52%, 64%)
CMYK	cmyk(52.4%, 37.8%, 0%, 35.7%)
CIE-LAB	lab(43.95, 9.33, -36.22)
CIE-LCH	lch(43.95, 37.40, 284.45°)
OKLab	oklab(52% -0.0057 -0.1023)
OKLCH	oklch(52% 0.103 266.8)
XYZ	xyz(14.5919, 13.8018, 37.0098)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66A4 #A48C4E

analogous

#4E91A4 #4E66A4 #614EA4

triadic

#4E66A4 #A44E66 #66A44E

tetradic

#4E66A4 #A44E91 #A48C4E #4EA461

square

#4E66A4 #A44E91 #A48C4E #4EA461

split-complementary

#4E66A4 #A4614E #91A44E

monochromatic

#273251 #3A4C7B #4E66A4 #7387BC #9CABD0

Accessibility & contrast

On white

5.58

#4E66A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4E66A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66A4

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66A4	#FFFFFF	#000000	##FFFFFF
##4E66A4	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6CA6

Deuteranopia (green-blind)

#4464A3

Tritanopia (blue-blind)

#26737D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e66a4;
/* rgb */ color: rgb(78, 102, 164);
/* oklch */ color: oklch(52.0% 0.103 266.8);

Tailwind

colors: {
  custom: {
    50: '#8591bf',
    500: '#4e66a4',
    950: '#000000',
  },
}

SCSS

$custom: #4e66a4;
$custom-light: #8591bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66a4",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 164
  },
  "hsl": {
    "h": 223.256,
    "s": 35.537,
    "l": 47.451
  },
  "oklch": {
    "l": 0.51998,
    "c": 0.10251,
    "h": 266.8
  },
  "luminance": 0.13803
}

Semantic roles & 50–950 ramp

primary

#4E66A4

secondary

#BDB191

accent

#AD5CCC

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4E66A4

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

Preview Lab → · Contrast checker → · Palette generator →