#4E66BC#4E66BC

#4E66BC is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.137 H 269.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4E66BC
RGB	rgb(78, 102, 188)
HSL	hsl(227, 45%, 52%)
HSV	hsv(227, 59%, 74%)
CMYK	cmyk(58.5%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(45.29, 17.34, -48.13)
CIE-LCH	lch(45.29, 51.16, 289.81°)
OKLab	oklab(53.47% -0.001 -0.1372)
OKLCH	oklch(53.47% 0.137 269.6)
XYZ	xyz(16.9673, 14.7519, 49.5205)
Luminance	0.1475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66BC #BCA44E

analogous

#4E9DBC #4E66BC #6D4EBC

triadic

#4E66BC #BC4E66 #66BC4E

tetradic

#4E66BC #BC4E9D #BCA44E #4EBC6D

square

#4E66BC #BC4E9D #BCA44E #4EBC6D

split-complementary

#4E66BC #BC6D4E #9DBC4E

monochromatic

#273668 #384C95 #4E66BC #7A8CCD #A7B3DE

Accessibility & contrast

On white

5.32

#4E66BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4E66BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66BC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66BC	#FFFFFF	#000000	##FFFFFF
##4E66BC	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E70BF

Deuteranopia (green-blind)

#2E67BA

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4e66bc;
/* rgb */ color: rgb(78, 102, 188);
/* oklch */ color: oklch(53.5% 0.137 269.6);

Tailwind

colors: {
  custom: {
    50: '#8991d1',
    500: '#4e66bc',
    950: '#000000',
  },
}

SCSS

$custom: #4e66bc;
$custom-light: #8991d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66bc",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 226.909,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53469,
    "c": 0.13724,
    "h": 269.6
  },
  "luminance": 0.14753
}

Semantic roles & 50–950 ramp

primary

#4E66BC

secondary

#CBC09B

accent

#B853D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4E66BC

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

Preview Lab → · Contrast checker → · Palette generator →