#3E66C5#3E66C5

#3E66C5 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.2% C 0.155 H 264.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3E66C5
RGB	rgb(62, 102, 197)
HSL	hsl(222, 54%, 51%)
HSV	hsv(222, 69%, 77%)
CMYK	cmyk(68.5%, 48.2%, 0%, 22.7%)
CIE-LAB	lab(45.02, 17.65, -53.82)
CIE-LCH	lch(45.02, 56.64, 288.16°)
OKLab	oklab(53.22% -0.0147 -0.1543)
OKLCH	oklch(53.22% 0.155 264.5)
XYZ	xyz(16.8125, 14.5564, 54.7361)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66C5 #C59D3E

analogous

#3EAAC5 #3E66C5 #593EC5

triadic

#3E66C5 #C53E66 #66C53E

tetradic

#3E66C5 #C53EAA #C59D3E #3EC559

square

#3E66C5 #C53EAA #C59D3E #3EC559

split-complementary

#3E66C5 #C5593E #AAC53E

monochromatic

#203569 #2E4D98 #3E66C5 #6D8BD3 #9CB1E1

Accessibility & contrast

On white

5.37

#3E66C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3E66C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66C5

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66C5	#FFFFFF	#000000	##FFFFFF
##3E66C5	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3371C8

Deuteranopia (green-blind)

#0F65C3

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3e66c5;
/* rgb */ color: rgb(62, 102, 197);
/* oklch */ color: oklch(53.2% 0.155 264.5);

Tailwind

colors: {
  custom: {
    50: '#8291d7',
    500: '#3e66c5',
    950: '#000000',
  },
}

SCSS

$custom: #3e66c5;
$custom-light: #8291d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66c5",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 197
  },
  "hsl": {
    "h": 222.222,
    "s": 53.785,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53217,
    "c": 0.15499,
    "h": 264.5
  },
  "luminance": 0.14558
}

Semantic roles & 50–950 ramp

primary

#3E66C5

secondary

#CDBC91

accent

#B24BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3E66C5

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

Preview Lab → · Contrast checker → · Palette generator →