#4E66AB#4E66AB

#4E66AB is a mid, moderate blue. Relative luminance 0.141; OKLCH L 52.4% C 0.113 H 267.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4E66AB
RGB	rgb(78, 102, 171)
HSL	hsl(225, 37%, 49%)
HSV	hsv(225, 54%, 67%)
CMYK	cmyk(54.4%, 40.4%, 0%, 32.9%)
CIE-LAB	lab(44.32, 11.64, -39.75)
CIE-LCH	lch(44.32, 41.42, 286.32°)
OKLab	oklab(52.41% -0.0041 -0.1127)
OKLCH	oklch(52.41% 0.113 267.9)
XYZ	xyz(15.2415, 14.0616, 40.4312)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66AB #AB934E

analogous

#4E95AB #4E66AB #654EAB

triadic

#4E66AB #AB4E66 #66AB4E

tetradic

#4E66AB #AB4E95 #AB934E #4EAB65

square

#4E66AB #AB4E95 #AB934E #4EAB65

split-complementary

#4E66AB #AB654E #95AB4E

monochromatic

#283457 #3B4D81 #4E66AB #7689C0 #A0ADD4

Accessibility & contrast

On white

5.51

#4E66AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4E66AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66AB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66AB	#FFFFFF	#000000	##FFFFFF
##4E66AB	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A6DAE

Deuteranopia (green-blind)

#3F65AA

Tritanopia (blue-blind)

#1E7580

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4e66ab;
/* rgb */ color: rgb(78, 102, 171);
/* oklch */ color: oklch(52.4% 0.113 267.9);

Tailwind

colors: {
  custom: {
    50: '#8691c4',
    500: '#4e66ab',
    950: '#000000',
  },
}

SCSS

$custom: #4e66ab;
$custom-light: #8691c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66ab",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 171
  },
  "hsl": {
    "h": 224.516,
    "s": 37.349,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52409,
    "c": 0.11274,
    "h": 267.9
  },
  "luminance": 0.14063
}

Semantic roles & 50–950 ramp

primary

#4E66AB

secondary

#C1B594

accent

#B05ACD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E66AB

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

Preview Lab → · Contrast checker → · Palette generator →