#3768C0#3768C0

#3768C0 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.0% C 0.148 H 261.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3768C0
RGB	rgb(55, 104, 192)
HSL	hsl(219, 55%, 48%)
HSV	hsv(219, 71%, 75%)
CMYK	cmyk(71.4%, 45.8%, 0%, 24.7%)
CIE-LAB	lab(44.97, 13.51, -51.03)
CIE-LCH	lch(44.97, 52.79, 284.83°)
OKLab	oklab(52.99% -0.023 -0.1462)
OKLCH	oklch(52.99% 0.148 261.1)
XYZ	xyz(16.0369, 14.5169, 51.8158)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768C0 #C08F37

analogous

#37ACC0 #3768C0 #4A37C0

triadic

#3768C0 #C03768 #68C037

tetradic

#3768C0 #C037AC #C08F37 #37C04A

square

#3768C0 #C037AC #C08F37 #37C04A

split-complementary

#3768C0 #C04A37 #ACC037

monochromatic

#1C3461 #294E90 #3768C0 #628AD2 #92AEE0

Accessibility & contrast

On white

5.38

#3768C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3768C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768C0

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768C0	#FFFFFF	#000000	##FFFFFF
##3768C0	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B71C3

Deuteranopia (green-blind)

#1E65BE

Tritanopia (blue-blind)

#007D8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3768c0;
/* rgb */ color: rgb(55, 104, 192);
/* oklch */ color: oklch(53.0% 0.148 261.1);

Tailwind

colors: {
  custom: {
    50: '#7f92d3',
    500: '#3768c0',
    950: '#000000',
  },
}

SCSS

$custom: #3768c0;
$custom-light: #7f92d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3768c0",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 192
  },
  "hsl": {
    "h": 218.54,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52992,
    "c": 0.14798,
    "h": 261.1
  },
  "luminance": 0.14519
}

Semantic roles & 50–950 ramp

primary

#3768C0

secondary

#CBB388

accent

#A949DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3768C0

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

Preview Lab → · Contrast checker → · Palette generator →