#4E66A8#4E66A8

#4E66A8 is a mid, moderate blue. Relative luminance 0.140; OKLCH L 52.2% C 0.108 H 267.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4E66A8
RGB	rgb(78, 102, 168)
HSL	hsl(224, 37%, 48%)
HSV	hsv(224, 54%, 66%)
CMYK	cmyk(53.6%, 39.3%, 0%, 34.1%)
CIE-LAB	lab(44.16, 10.65, -38.24)
CIE-LCH	lch(44.16, 39.70, 285.56°)
OKLab	oklab(52.23% -0.0047 -0.1083)
OKLCH	oklch(52.23% 0.108 267.5)
XYZ	xyz(14.9588, 13.9485, 38.9423)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66A8 #A8904E

analogous

#4E93A8 #4E66A8 #634EA8

triadic

#4E66A8 #A84E66 #66A84E

tetradic

#4E66A8 #A84E93 #A8904E #4EA863

square

#4E66A8 #A84E93 #A8904E #4EA863

split-complementary

#4E66A8 #A8634E #93A84E

monochromatic

#273354 #3B4D7E #4E66A8 #7588BF #9EACD2

Accessibility & contrast

On white

5.54

#4E66A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#4E66A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66A8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66A8	#FFFFFF	#000000	##FFFFFF
##4E66A8	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6DAB

Deuteranopia (green-blind)

#4165A7

Tritanopia (blue-blind)

#21747F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e66a8;
/* rgb */ color: rgb(78, 102, 168);
/* oklch */ color: oklch(52.2% 0.108 267.5);

Tailwind

colors: {
  custom: {
    50: '#8691c2',
    500: '#4e66a8',
    950: '#000000',
  },
}

SCSS

$custom: #4e66a8;
$custom-light: #8691c2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66a8",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 168
  },
  "hsl": {
    "h": 224,
    "s": 36.585,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52231,
    "c": 0.10836,
    "h": 267.5
  },
  "luminance": 0.1395
}

Semantic roles & 50–950 ramp

primary

#4E66A8

secondary

#BFB393

accent

#AE5BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #4E66A8

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

Preview Lab → · Contrast checker → · Palette generator →