#4E66B2#4E66B2

#4E66B2 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.123 H 268.7°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4E66B2
RGB	rgb(78, 102, 178)
HSL	hsl(226, 39%, 50%)
HSV	hsv(226, 56%, 70%)
CMYK	cmyk(56.2%, 42.7%, 0%, 30.2%)
CIE-LAB	lab(44.71, 13.97, -43.23)
CIE-LCH	lch(44.71, 45.43, 287.91°)
OKLab	oklab(52.83% -0.0027 -0.1229)
OKLCH	oklch(52.83% 0.123 268.7)
XYZ	xyz(15.9265, 14.3356, 44.0386)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66B2 #B29A4E

analogous

#4E98B2 #4E66B2 #684EB2

triadic

#4E66B2 #B24E66 #66B24E

tetradic

#4E66B2 #B24E98 #B29A4E #4EB268

square

#4E66B2 #B24E98 #B29A4E #4EB268

split-complementary

#4E66B2 #B2684E #98B24E

monochromatic

#29355D #3B4D88 #4E66B2 #798BC5 #A3B0D7

Accessibility & contrast

On white

5.43

#4E66B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#4E66B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66B2

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66B2	#FFFFFF	#000000	##FFFFFF
##4E66B2	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456EB5

Deuteranopia (green-blind)

#3966B0

Tritanopia (blue-blind)

#127783

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4e66b2;
/* rgb */ color: rgb(78, 102, 178);
/* oklch */ color: oklch(52.8% 0.123 268.7);

Tailwind

colors: {
  custom: {
    50: '#8791c9',
    500: '#4e66b2',
    950: '#000000',
  },
}

SCSS

$custom: #4e66b2;
$custom-light: #8791c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66b2",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 178
  },
  "hsl": {
    "h": 225.6,
    "s": 39.37,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52834,
    "c": 0.1229,
    "h": 268.7
  },
  "luminance": 0.14337
}

Semantic roles & 50–950 ramp

primary

#4E66B2

secondary

#C4BA98

accent

#B359CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E66B2

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

Preview Lab → · Contrast checker → · Palette generator →