#3768DA#3768DA

#3768DA is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.8% C 0.183 H 263.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3768DA
RGB	rgb(55, 104, 218)
HSL	hsl(222, 69%, 54%)
HSV	hsv(222, 75%, 85%)
CMYK	cmyk(74.8%, 52.3%, 0%, 14.5%)
CIE-LAB	lab(46.67, 23.10, -63.19)
CIE-LCH	lch(46.67, 67.28, 290.09°)
OKLab	oklab(54.84% -0.0196 -0.1819)
OKLCH	oklch(54.84% 0.183 263.9)
XYZ	xyz(19.1763, 15.7727, 68.3499)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768DA #DAA937

analogous

#37B9DA #3768DA #5737DA

triadic

#3768DA #DA3768 #68DA37

tetradic

#3768DA #DA37B9 #DAA937 #37DA57

square

#3768DA #DA37B9 #DAA937 #37DA57

split-complementary

#3768DA #DA5737 #B9DA37

monochromatic

#18377F #214DB3 #3768DA #6B8FE4 #9EB6ED

Accessibility & contrast

On white

5.05

#3768DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3768DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768DA

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768DA	#FFFFFF	#000000	##FFFFFF
##3768DA	1.00	5.05	4.15	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1676DE

Deuteranopia (green-blind)

#0068D8

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3768da;
/* rgb */ color: rgb(55, 104, 218);
/* oklch */ color: oklch(54.8% 0.183 263.9);

Tailwind

colors: {
  custom: {
    50: '#8492e6',
    500: '#3768da',
    950: '#000000',
  },
}

SCSS

$custom: #3768da;
$custom-light: #8492e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3768da",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 218
  },
  "hsl": {
    "h": 221.963,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54844,
    "c": 0.18299,
    "h": 263.9
  },
  "luminance": 0.15775
}

Semantic roles & 50–950 ramp

primary

#3768DA

secondary

#D9C493

accent

#B73CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #3768DA

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

Preview Lab → · Contrast checker → · Palette generator →