#4E66A3#4E66A3

#4E66A3 is a mid, moderate blue. Relative luminance 0.138; OKLCH L 51.9% C 0.101 H 266.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4E66A3
RGB	rgb(78, 102, 163)
HSL	hsl(223, 35%, 47%)
HSV	hsv(223, 52%, 64%)
CMYK	cmyk(52.1%, 37.4%, 0%, 36.1%)
CIE-LAB	lab(43.90, 9.01, -35.71)
CIE-LCH	lch(43.90, 36.83, 284.16°)
OKLab	oklab(51.94% -0.0059 -0.1009)
OKLCH	oklch(51.94% 0.101 266.7)
XYZ	xyz(14.5019, 13.7658, 36.5361)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66A3 #A38B4E

analogous

#4E91A3 #4E66A3 #614EA3

triadic

#4E66A3 #A34E66 #66A34E

tetradic

#4E66A3 #A34E91 #A38B4E #4EA361

square

#4E66A3 #A34E91 #A38B4E #4EA361

split-complementary

#4E66A3 #A3614E #91A34E

monochromatic

#263250 #3A4C7A #4E66A3 #7287BC #9CAAD0

Accessibility & contrast

On white

5.59

#4E66A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#4E66A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66A3

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66A3	#FFFFFF	#000000	##FFFFFF
##4E66A3	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6CA5

Deuteranopia (green-blind)

#4564A2

Tritanopia (blue-blind)

#27737D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e66a3;
/* rgb */ color: rgb(78, 102, 163);
/* oklch */ color: oklch(51.9% 0.101 266.7);

Tailwind

colors: {
  custom: {
    50: '#8591be',
    500: '#4e66a3',
    950: '#000000',
  },
}

SCSS

$custom: #4e66a3;
$custom-light: #8591be;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66a3",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 163
  },
  "hsl": {
    "h": 223.059,
    "s": 35.27,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51941,
    "c": 0.10104,
    "h": 266.7
  },
  "luminance": 0.13767
}

Semantic roles & 50–950 ramp

primary

#4E66A3

secondary

#BCB091

accent

#AC5CCB

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4E66A3

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

Preview Lab → · Contrast checker → · Palette generator →