#4E66B9#4E66B9

#4E66B9 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.3% C 0.133 H 269.4°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4E66B9
RGB	rgb(78, 102, 185)
HSL	hsl(227, 43%, 52%)
HSV	hsv(227, 58%, 73%)
CMYK	cmyk(57.8%, 44.9%, 0%, 27.5%)
CIE-LAB	lab(45.11, 16.33, -46.67)
CIE-LCH	lch(45.11, 49.44, 289.28°)
OKLab	oklab(53.27% -0.0015 -0.133)
OKLCH	oklch(53.27% 0.133 269.4)
XYZ	xyz(16.6473, 14.6239, 47.8350)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66B9 #B9A14E

analogous

#4E9CB9 #4E66B9 #6C4EB9

triadic

#4E66B9 #B94E66 #66B94E

tetradic

#4E66B9 #B94E9C #B9A14E #4EB96C

square

#4E66B9 #B94E9C #B9A14E #4EB96C

split-complementary

#4E66B9 #B96C4E #9CB94E

monochromatic

#283665 #394D91 #4E66B9 #7A8CCA #A6B2DC

Accessibility & contrast

On white

5.35

#4E66B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#4E66B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66B9

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66B9	#FFFFFF	#000000	##FFFFFF
##4E66B9	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4170BC

Deuteranopia (green-blind)

#3266B7

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4e66b9;
/* rgb */ color: rgb(78, 102, 185);
/* oklch */ color: oklch(53.3% 0.133 269.4);

Tailwind

colors: {
  custom: {
    50: '#8891ce',
    500: '#4e66b9',
    950: '#000000',
  },
}

SCSS

$custom: #4e66b9;
$custom-light: #8891ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66b9",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 185
  },
  "hsl": {
    "h": 226.542,
    "s": 43.32,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53275,
    "c": 0.13296,
    "h": 269.4
  },
  "luminance": 0.14625
}

Semantic roles & 50–950 ramp

primary

#4E66B9

secondary

#C9BE9A

accent

#B755D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4E66B9

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

Preview Lab → · Contrast checker → · Palette generator →