#3E66CD#3E66CD

#3E66CD is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.8% C 0.166 H 265.2°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3E66CD
RGB	rgb(62, 102, 205)
HSL	hsl(223, 59%, 52%)
HSV	hsv(223, 70%, 80%)
CMYK	cmyk(69.8%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(45.54, 20.55, -57.58)
CIE-LCH	lch(45.54, 61.14, 289.64°)
OKLab	oklab(53.78% -0.0137 -0.1654)
OKLCH	oklch(53.78% 0.166 265.2)
XYZ	xyz(17.7536, 14.9328, 59.6925)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66CD #CDA53E

analogous

#3EADCD #3E66CD #5E3ECD

triadic

#3E66CD #CD3E66 #66CD3E

tetradic

#3E66CD #CD3EAD #CDA53E #3ECD5E

square

#3E66CD #CD3EAD #CDA53E #3ECD5E

split-complementary

#3E66CD #CD5E3E #ADCD3E

monochromatic

#1E3673 #2A4CA3 #3E66CD #6F8DDA #9FB3E6

Accessibility & contrast

On white

5.27

#3E66CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#3E66CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66CD

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66CD	#FFFFFF	#000000	##FFFFFF
##3E66CD	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2973D1

Deuteranopia (green-blind)

#0066CB

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3e66cd;
/* rgb */ color: rgb(62, 102, 205);
/* oklch */ color: oklch(53.8% 0.166 265.2);

Tailwind

colors: {
  custom: {
    50: '#8491dd',
    500: '#3e66cd',
    950: '#000000',
  },
}

SCSS

$custom: #3e66cd;
$custom-light: #8491dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66cd",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 223.217,
    "s": 58.848,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53781,
    "c": 0.16593,
    "h": 265.2
  },
  "luminance": 0.14935
}

Semantic roles & 50–950 ramp

primary

#3E66CD

secondary

#D3C194

accent

#B646E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3E66CD

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

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