#4E66B8#4E66B8

#4E66B8 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.2% C 0.132 H 269.3°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4E66B8
RGB	rgb(78, 102, 184)
HSL	hsl(226, 43%, 51%)
HSV	hsv(226, 58%, 72%)
CMYK	cmyk(57.6%, 44.6%, 0%, 27.8%)
CIE-LAB	lab(45.06, 15.99, -46.18)
CIE-LCH	lch(45.06, 48.87, 289.10°)
OKLab	oklab(53.21% -0.0016 -0.1315)
OKLCH	oklch(53.21% 0.132 269.3)
XYZ	xyz(16.5421, 14.5819, 47.2810)
Luminance	0.1458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66B8 #B8A04E

analogous

#4E9BB8 #4E66B8 #6B4EB8

triadic

#4E66B8 #B84E66 #66B84E

tetradic

#4E66B8 #B84E9B #B8A04E #4EB86B

square

#4E66B8 #B84E9B #B8A04E #4EB86B

split-complementary

#4E66B8 #B86B4E #9BB84E

monochromatic

#283564 #394D8F #4E66B8 #7A8CCA #A5B2DB

Accessibility & contrast

On white

5.36

#4E66B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#4E66B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66B8

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66B8	#FFFFFF	#000000	##FFFFFF
##4E66B8	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4170BB

Deuteranopia (green-blind)

#3366B6

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4e66b8;
/* rgb */ color: rgb(78, 102, 184);
/* oklch */ color: oklch(53.2% 0.132 269.3);

Tailwind

colors: {
  custom: {
    50: '#8891ce',
    500: '#4e66b8',
    950: '#000000',
  },
}

SCSS

$custom: #4e66b8;
$custom-light: #8891ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66b8",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 184
  },
  "hsl": {
    "h": 226.415,
    "s": 42.742,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53211,
    "c": 0.13153,
    "h": 269.3
  },
  "luminance": 0.14583
}

Semantic roles & 50–950 ramp

primary

#4E66B8

secondary

#C8BE9A

accent

#B655D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E66B8

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

Preview Lab → · Contrast checker → · Palette generator →