#3E66D2#3E66D2

#3E66D2 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.1% C 0.173 H 265.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3E66D2
RGB	rgb(62, 102, 210)
HSL	hsl(224, 62%, 53%)
HSV	hsv(224, 70%, 82%)
CMYK	cmyk(70.5%, 51.4%, 0%, 17.6%)
CIE-LAB	lab(45.88, 22.36, -59.90)
CIE-LCH	lch(45.88, 63.94, 290.47°)
OKLab	oklab(54.14% -0.0132 -0.1722)
OKLCH	oklch(54.14% 0.173 265.6)
XYZ	xyz(18.3668, 15.1781, 62.9220)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66D2 #D2AA3E

analogous

#3EB0D2 #3E66D2 #603ED2

triadic

#3E66D2 #D23E66 #66D23E

tetradic

#3E66D2 #D23EB0 #D2AA3E #3ED260

square

#3E66D2 #D23EB0 #D2AA3E #3ED260

split-complementary

#3E66D2 #D2603E #B0D23E

monochromatic

#1C3579 #284BAB #3E66D2 #708DDE #A1B5E9

Accessibility & contrast

On white

5.20

#3E66D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3E66D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66D2

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66D2	#FFFFFF	#000000	##FFFFFF
##3E66D2	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2174D6

Deuteranopia (green-blind)

#0066D0

Tritanopia (blue-blind)

#008092

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3e66d2;
/* rgb */ color: rgb(62, 102, 210);
/* oklch */ color: oklch(54.1% 0.173 265.6);

Tailwind

colors: {
  custom: {
    50: '#8591e0',
    500: '#3e66d2',
    950: '#000000',
  },
}

SCSS

$custom: #3e66d2;
$custom-light: #8591e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66d2",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 210
  },
  "hsl": {
    "h": 223.784,
    "s": 62.185,
    "l": 53.333
  },
  "oklch": {
    "l": 0.54143,
    "c": 0.1727,
    "h": 265.6
  },
  "luminance": 0.1518
}

Semantic roles & 50–950 ramp

primary

#3E66D2

secondary

#D6C596

accent

#B943E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3E66D2

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

Preview Lab → · Contrast checker → · Palette generator →