#3E66D7#3E66D7

#3E66D7 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.179 H 265.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3E66D7
RGB	rgb(62, 102, 215)
HSL	hsl(224, 66%, 54%)
HSV	hsv(224, 71%, 84%)
CMYK	cmyk(71.2%, 52.6%, 0%, 15.7%)
CIE-LAB	lab(46.22, 24.16, -62.20)
CIE-LCH	lch(46.22, 66.73, 291.23°)
OKLab	oklab(54.51% -0.0127 -0.179)
OKLCH	oklch(54.51% 0.179 265.9)
XYZ	xyz(18.9994, 15.4312, 66.2540)
Luminance	0.1543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66D7 #D7AF3E

analogous

#3EB2D7 #3E66D7 #633ED7

triadic

#3E66D7 #D73E66 #66D73E

tetradic

#3E66D7 #D73EB2 #D7AF3E #3ED763

square

#3E66D7 #D73EB2 #D7AF3E #3ED763

split-complementary

#3E66D7 #D7633E #B2D73E

monochromatic

#1B3580 #254AB3 #3E66D7 #718EE2 #A3B6EC

Accessibility & contrast

On white

5.14

#3E66D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#3E66D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66D7

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66D7	#FFFFFF	#000000	##FFFFFF
##3E66D7	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1675DB

Deuteranopia (green-blind)

#0067D5

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3e66d7;
/* rgb */ color: rgb(62, 102, 215);
/* oklch */ color: oklch(54.5% 0.179 265.9);

Tailwind

colors: {
  custom: {
    50: '#8691e4',
    500: '#3e66d7',
    950: '#000000',
  },
}

SCSS

$custom: #3e66d7;
$custom-light: #8691e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66d7",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 215
  },
  "hsl": {
    "h": 224.314,
    "s": 65.665,
    "l": 54.314
  },
  "oklch": {
    "l": 0.54511,
    "c": 0.17941,
    "h": 265.9
  },
  "luminance": 0.15433
}

Semantic roles & 50–950 ramp

primary

#3E66D7

secondary

#D9C898

accent

#BC3FE9

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3E66D7

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

Preview Lab → · Contrast checker → · Palette generator →