#3E66CF#3E66CF

#3E66CF is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.169 H 265.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3E66CF
RGB	rgb(62, 102, 207)
HSL	hsl(223, 60%, 53%)
HSV	hsv(223, 70%, 81%)
CMYK	cmyk(70%, 50.7%, 0%, 18.8%)
CIE-LAB	lab(45.68, 21.27, -58.51)
CIE-LCH	lch(45.68, 62.26, 289.98°)
OKLab	oklab(53.93% -0.0135 -0.1681)
OKLCH	oklch(53.93% 0.169 265.4)
XYZ	xyz(17.9965, 15.0300, 60.9720)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66CF #CFA73E

analogous

#3EAFCF #3E66CF #5E3ECF

triadic

#3E66CF #CF3E66 #66CF3E

tetradic

#3E66CF #CF3EAF #CFA73E #3ECF5E

square

#3E66CF #CF3EAF #CFA73E #3ECF5E

split-complementary

#3E66CF #CF5E3E #AFCF3E

monochromatic

#1D3675 #294CA6 #3E66CF #6F8DDB #A0B4E7

Accessibility & contrast

On white

5.24

#3E66CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3E66CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66CF

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66CF	#FFFFFF	#000000	##FFFFFF
##3E66CF	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2673D3

Deuteranopia (green-blind)

#0066CD

Tritanopia (blue-blind)

#007F91

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3e66cf;
/* rgb */ color: rgb(62, 102, 207);
/* oklch */ color: oklch(53.9% 0.169 265.4);

Tailwind

colors: {
  custom: {
    50: '#8491de',
    500: '#3e66cf',
    950: '#000000',
  },
}

SCSS

$custom: #3e66cf;
$custom-light: #8491de;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66cf",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 207
  },
  "hsl": {
    "h": 223.448,
    "s": 60.166,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53925,
    "c": 0.16864,
    "h": 265.4
  },
  "luminance": 0.15032
}

Semantic roles & 50–950 ramp

primary

#3E66CF

secondary

#D4C295

accent

#B744E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3E66CF

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

Preview Lab → · Contrast checker → · Palette generator →