#4E66B6#4E66B6

#4E66B6 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.1% C 0.129 H 269.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4E66B6
RGB	rgb(78, 102, 182)
HSL	hsl(226, 42%, 51%)
HSV	hsv(226, 57%, 71%)
CMYK	cmyk(57.1%, 44%, 0%, 28.6%)
CIE-LAB	lab(44.94, 15.31, -45.20)
CIE-LCH	lch(44.94, 47.73, 288.71°)
OKLab	oklab(53.09% -0.002 -0.1286)
OKLCH	oklch(53.09% 0.129 269.1)
XYZ	xyz(16.3339, 14.4986, 46.1847)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66B6 #B69E4E

analogous

#4E9AB6 #4E66B6 #6A4EB6

triadic

#4E66B6 #B64E66 #66B64E

tetradic

#4E66B6 #B64E9A #B69E4E #4EB66A

square

#4E66B6 #B64E9A #B69E4E #4EB66A

split-complementary

#4E66B6 #B66A4E #9AB64E

monochromatic

#283561 #3A4D8D #4E66B6 #798BC8 #A5B1DA

Accessibility & contrast

On white

5.38

#4E66B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4E66B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66B6

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66B6	#FFFFFF	#000000	##FFFFFF
##4E66B6	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436FB9

Deuteranopia (green-blind)

#3566B4

Tritanopia (blue-blind)

#067885

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4e66b6;
/* rgb */ color: rgb(78, 102, 182);
/* oklch */ color: oklch(53.1% 0.129 269.1);

Tailwind

colors: {
  custom: {
    50: '#8891cc',
    500: '#4e66b6',
    950: '#000000',
  },
}

SCSS

$custom: #4e66b6;
$custom-light: #8891cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66b6",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 182
  },
  "hsl": {
    "h": 226.154,
    "s": 41.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53085,
    "c": 0.12867,
    "h": 269.1
  },
  "luminance": 0.145
}

Semantic roles & 50–950 ramp

primary

#4E66B6

secondary

#C7BC99

accent

#B556D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E66B6

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

Preview Lab → · Contrast checker → · Palette generator →