#3E66BF#3E66BF

#3E66BF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.147 H 263.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3E66BF
RGB	rgb(62, 102, 191)
HSL	hsl(221, 51%, 50%)
HSV	hsv(221, 68%, 75%)
CMYK	cmyk(67.5%, 46.6%, 0%, 25.1%)
CIE-LAB	lab(44.64, 15.49, -50.96)
CIE-LCH	lch(44.64, 53.26, 286.90°)
OKLab	oklab(52.81% -0.0156 -0.1459)
OKLCH	oklch(52.81% 0.147 263.9)
XYZ	xyz(16.1386, 14.2869, 51.1872)
Luminance	0.1429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66BF #BF973E

analogous

#3EA7BF #3E66BF #563EBF

triadic

#3E66BF #BF3E66 #66BF3E

tetradic

#3E66BF #BF3EA7 #BF973E #3EBF56

square

#3E66BF #BF3EA7 #BF973E #3EBF56

split-complementary

#3E66BF #BF563E #A7BF3E

monochromatic

#203563 #2F4D91 #3E66BF #6B8ACF #99AFDE

Accessibility & contrast

On white

5.44

#3E66BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3E66BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66BF

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66BF	#FFFFFF	#000000	##FFFFFF
##3E66BF	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3970C2

Deuteranopia (green-blind)

#1E64BD

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3e66bf;
/* rgb */ color: rgb(62, 102, 191);
/* oklch */ color: oklch(52.8% 0.147 263.9);

Tailwind

colors: {
  custom: {
    50: '#8191d3',
    500: '#3e66bf',
    950: '#000000',
  },
}

SCSS

$custom: #3e66bf;
$custom-light: #8191d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66bf",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 221.395,
    "s": 50.988,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52805,
    "c": 0.1467,
    "h": 263.9
  },
  "luminance": 0.14288
}

Semantic roles & 50–950 ramp

primary

#3E66BF

secondary

#CAB88F

accent

#AF4DDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3E66BF

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

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