#4E66B0#4E66B0

#4E66B0 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.7% C 0.120 H 268.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4E66B0
RGB	rgb(78, 102, 176)
HSL	hsl(225, 39%, 50%)
HSV	hsv(225, 56%, 69%)
CMYK	cmyk(55.7%, 42%, 0%, 31%)
CIE-LAB	lab(44.60, 13.30, -42.24)
CIE-LCH	lch(44.60, 44.29, 287.48°)
OKLab	oklab(52.71% -0.0031 -0.12)
OKLCH	oklch(52.71% 0.12 268.5)
XYZ	xyz(15.7271, 14.2559, 42.9888)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E66B0 #B0984E

analogous

#4E97B0 #4E66B0 #674EB0

triadic

#4E66B0 #B04E66 #66B04E

tetradic

#4E66B0 #B04E97 #B0984E #4EB067

square

#4E66B0 #B04E97 #B0984E #4EB067

split-complementary

#4E66B0 #B0674E #97B04E

monochromatic

#28355B #3B4D86 #4E66B0 #788AC3 #A2AFD6

Accessibility & contrast

On white

5.45

#4E66B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#4E66B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E66B0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E66B0	#FFFFFF	#000000	##FFFFFF
##4E66B0	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476EB3

Deuteranopia (green-blind)

#3B65AE

Tritanopia (blue-blind)

#167682

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4e66b0;
/* rgb */ color: rgb(78, 102, 176);
/* oklch */ color: oklch(52.7% 0.120 268.5);

Tailwind

colors: {
  custom: {
    50: '#8791c8',
    500: '#4e66b0',
    950: '#000000',
  },
}

SCSS

$custom: #4e66b0;
$custom-light: #8791c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e66b0",
  "rgb": {
    "r": 78,
    "g": 102,
    "b": 176
  },
  "hsl": {
    "h": 225.306,
    "s": 38.583,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52711,
    "c": 0.12001,
    "h": 268.5
  },
  "luminance": 0.14257
}

Semantic roles & 50–950 ramp

primary

#4E66B0

secondary

#C3B897

accent

#B259CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E66B0

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

Preview Lab → · Contrast checker → · Palette generator →