#3768DB#3768DB

#3768DB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.9% C 0.184 H 263.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3768DB
RGB	rgb(55, 104, 219)
HSL	hsl(222, 69%, 54%)
HSV	hsv(222, 75%, 86%)
CMYK	cmyk(74.9%, 52.5%, 0%, 14.1%)
CIE-LAB	lab(46.74, 23.47, -63.64)
CIE-LCH	lch(46.74, 67.83, 290.25°)
OKLab	oklab(54.92% -0.0195 -0.1833)
OKLCH	oklch(54.92% 0.184 263.9)
XYZ	xyz(19.3075, 15.8252, 69.0411)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768DB #DBAA37

analogous

#37BADB #3768DB #5837DB

triadic

#3768DB #DB3768 #68DB37

tetradic

#3768DB #DB37BA #DBAA37 #37DB58

square

#3768DB #DB37BA #DBAA37 #37DB58

split-complementary

#3768DB #DB5837 #BADB37

monochromatic

#173780 #204DB4 #3768DB #6B8FE4 #9FB6EE

Accessibility & contrast

On white

5.04

#3768DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#3768DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768DB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768DB	#FFFFFF	#000000	##FFFFFF
##3768DB	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1377DF

Deuteranopia (green-blind)

#0068D9

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3768db;
/* rgb */ color: rgb(55, 104, 219);
/* oklch */ color: oklch(54.9% 0.184 263.9);

Tailwind

colors: {
  custom: {
    50: '#8492e7',
    500: '#3768db',
    950: '#000000',
  },
}

SCSS

$custom: #3768db;
$custom-light: #8492e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3768db",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 219
  },
  "hsl": {
    "h": 222.073,
    "s": 69.492,
    "l": 53.725
  },
  "oklch": {
    "l": 0.54919,
    "c": 0.18431,
    "h": 263.9
  },
  "luminance": 0.15827
}

Semantic roles & 50–950 ramp

primary

#3768DB

secondary

#DAC594

accent

#B73BEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3768DB

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

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