#3E66D5#3E66D5

#3E66D5 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.4% C 0.177 H 265.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3E66D5
RGB	rgb(62, 102, 213)
HSL	hsl(224, 64%, 54%)
HSV	hsv(224, 71%, 84%)
CMYK	cmyk(70.9%, 52.1%, 0%, 16.5%)
CIE-LAB	lab(46.08, 23.44, -61.29)
CIE-LCH	lch(46.08, 65.62, 290.93°)
OKLab	oklab(54.36% -0.0129 -0.1763)
OKLCH	oklch(54.36% 0.177 265.8)
XYZ	xyz(18.7440, 15.3290, 64.9088)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66D5 #D5AD3E

analogous

#3EB2D5 #3E66D5 #623ED5

triadic

#3E66D5 #D53E66 #66D53E

tetradic

#3E66D5 #D53EB2 #D5AD3E #3ED562

square

#3E66D5 #D53EB2 #D5AD3E #3ED562

split-complementary

#3E66D5 #D5623E #B2D53E

monochromatic

#1B357D #264BB0 #3E66D5 #708EE0 #A3B6EB

Accessibility & contrast

On white

5.16

#3E66D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3E66D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66D5

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66D5	#FFFFFF	#000000	##FFFFFF
##3E66D5	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B74D9

Deuteranopia (green-blind)

#0067D3

Tritanopia (blue-blind)

#008194

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3e66d5;
/* rgb */ color: rgb(62, 102, 213);
/* oklch */ color: oklch(54.4% 0.177 265.8);

Tailwind

colors: {
  custom: {
    50: '#8691e3',
    500: '#3e66d5',
    950: '#000000',
  },
}

SCSS

$custom: #3e66d5;
$custom-light: #8691e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66d5",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 213
  },
  "hsl": {
    "h": 224.106,
    "s": 64.255,
    "l": 53.922
  },
  "oklch": {
    "l": 0.54363,
    "c": 0.17673,
    "h": 265.8
  },
  "luminance": 0.15331
}

Semantic roles & 50–950 ramp

primary

#3E66D5

secondary

#D8C797

accent

#BB41E7

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C15

muted

#7D7D84

Preview Lab

Preview with #3E66D5

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

Preview Lab → · Contrast checker → · Palette generator →