#3E66BD#3E66BD

#3E66BD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.144 H 263.6°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3E66BD
RGB	rgb(62, 102, 189)
HSL	hsl(221, 51%, 49%)
HSV	hsv(221, 67%, 74%)
CMYK	cmyk(67.2%, 46%, 0%, 25.9%)
CIE-LAB	lab(44.52, 14.77, -50.00)
CIE-LCH	lch(44.52, 52.13, 286.45°)
OKLab	oklab(52.67% -0.0159 -0.143)
OKLCH	oklch(52.67% 0.144 263.6)
XYZ	xyz(15.9201, 14.1994, 50.0360)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66BD #BD953E

analogous

#3EA6BD #3E66BD #553EBD

triadic

#3E66BD #BD3E66 #66BD3E

tetradic

#3E66BD #BD3EA6 #BD953E #3EBD55

square

#3E66BD #BD3EA6 #BD953E #3EBD55

split-complementary

#3E66BD #BD553E #A6BD3E

monochromatic

#203461 #2F4D8F #3E66BD #6A8ACE #98AEDD

Accessibility & contrast

On white

5.47

#3E66BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3E66BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66BD

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66BD	#FFFFFF	#000000	##FFFFFF
##3E66BD	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6FC0

Deuteranopia (green-blind)

#2264BB

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3e66bd;
/* rgb */ color: rgb(62, 102, 189);
/* oklch */ color: oklch(52.7% 0.144 263.6);

Tailwind

colors: {
  custom: {
    50: '#8191d1',
    500: '#3e66bd',
    950: '#000000',
  },
}

SCSS

$custom: #3e66bd;
$custom-light: #8191d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66bd",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 189
  },
  "hsl": {
    "h": 221.102,
    "s": 50.598,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5267,
    "c": 0.14394,
    "h": 263.6
  },
  "luminance": 0.14201
}

Semantic roles & 50–950 ramp

primary

#3E66BD

secondary

#C9B68E

accent

#AE4EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3E66BD

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

Preview Lab → · Contrast checker → · Palette generator →