#3768D7#3768D7

#3768D7 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.6% C 0.179 H 263.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3768D7
RGB	rgb(55, 104, 215)
HSL	hsl(222, 67%, 53%)
HSV	hsv(222, 74%, 84%)
CMYK	cmyk(74.4%, 51.6%, 0%, 15.7%)
CIE-LAB	lab(46.47, 22.00, -61.81)
CIE-LCH	lch(46.47, 65.61, 289.59°)
OKLab	oklab(54.62% -0.0199 -0.1779)
OKLCH	oklch(54.62% 0.179 263.6)
XYZ	xyz(18.7872, 15.6171, 66.3011)
Luminance	0.1562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768D7 #D7A637

analogous

#37B8D7 #3768D7 #5637D7

triadic

#3768D7 #D73768 #68D737

tetradic

#3768D7 #D737B8 #D7A637 #37D756

square

#3768D7 #D737B8 #D7A637 #37D756

split-complementary

#3768D7 #D75637 #B8D737

monochromatic

#19377B #234DAE #3768D7 #6A8FE1 #9DB5EB

Accessibility & contrast

On white

5.09

#3768D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#3768D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768D7

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768D7	#FFFFFF	#000000	##FFFFFF
##3768D7	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D76DB

Deuteranopia (green-blind)

#0067D5

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3768d7;
/* rgb */ color: rgb(55, 104, 215);
/* oklch */ color: oklch(54.6% 0.179 263.6);

Tailwind

colors: {
  custom: {
    50: '#8392e4',
    500: '#3768d7',
    950: '#000000',
  },
}

SCSS

$custom: #3768d7;
$custom-light: #8392e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3768d7",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 215
  },
  "hsl": {
    "h": 221.625,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54621,
    "c": 0.17902,
    "h": 263.6
  },
  "luminance": 0.15619
}

Semantic roles & 50–950 ramp

primary

#3768D7

secondary

#D7C292

accent

#B53EEA

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #3768D7

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

Preview Lab → · Contrast checker → · Palette generator →