#4E66B4#4E66B4

#4E66B4 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.126 H 268.9°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4E66B4
RGB	rgb(78, 102, 180)
HSL	hsl(226, 40%, 51%)
HSV	hsv(226, 57%, 71%)
CMYK	cmyk(56.7%, 43.3%, 0%, 29.4%)
CIE-LAB	lab(44.82, 14.64, -44.22)
CIE-LCH	lch(44.82, 46.58, 288.32°)
OKLab	oklab(52.96% -0.0023 -0.1258)
OKLCH	oklch(52.96% 0.126 268.9)
XYZ	xyz(16.1287, 14.4165, 45.1039)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66B4 #B49C4E

analogous

#4E99B4 #4E66B4 #694EB4

triadic

#4E66B4 #B44E66 #66B44E

tetradic

#4E66B4 #B44E99 #B49C4E #4EB469

square

#4E66B4 #B44E99 #B49C4E #4EB469

split-complementary

#4E66B4 #B4694E #99B44E

monochromatic

#28355F #3B4D8A #4E66B4 #798BC6 #A4B0D8

Accessibility & contrast

On white

5.41

#4E66B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#4E66B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66B4

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66B4	#FFFFFF	#000000	##FFFFFF
##4E66B4	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446FB7

Deuteranopia (green-blind)

#3766B2

Tritanopia (blue-blind)

#0D7784

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4e66b4;
/* rgb */ color: rgb(78, 102, 180);
/* oklch */ color: oklch(53.0% 0.126 268.9);

Tailwind

colors: {
  custom: {
    50: '#8791cb',
    500: '#4e66b4',
    950: '#000000',
  },
}

SCSS

$custom: #4e66b4;
$custom-light: #8791cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66b4",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 180
  },
  "hsl": {
    "h": 225.882,
    "s": 40.476,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52959,
    "c": 0.12578,
    "h": 268.9
  },
  "luminance": 0.14418
}

Semantic roles & 50–950 ramp

primary

#4E66B4

secondary

#C6BB98

accent

#B457D0

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E66B4

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

Preview Lab → · Contrast checker → · Palette generator →