#3768BF#3768BF

#3768BF is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.9% C 0.147 H 260.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3768BF
RGB	rgb(55, 104, 191)
HSL	hsl(218, 55%, 48%)
HSV	hsv(218, 71%, 75%)
CMYK	cmyk(71.2%, 45.5%, 0%, 25.1%)
CIE-LAB	lab(44.90, 13.14, -50.55)
CIE-LCH	lch(44.90, 52.23, 284.57°)
OKLab	oklab(52.92% -0.0232 -0.1448)
OKLCH	oklch(52.92% 0.147 260.9)
XYZ	xyz(15.9265, 14.4728, 51.2343)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768BF #BF8E37

analogous

#37ACBF #3768BF #4A37BF

triadic

#3768BF #BF3768 #68BF37

tetradic

#3768BF #BF37AC #BF8E37 #37BF4A

square

#3768BF #BF37AC #BF8E37 #37BF4A

split-complementary

#3768BF #BF4A37 #ACBF37

monochromatic

#1C3460 #294E8F #3768BF #628AD2 #91ADDF

Accessibility & contrast

On white

5.39

#3768BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3768BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768BF

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768BF	#FFFFFF	#000000	##FFFFFF
##3768BF	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C71C2

Deuteranopia (green-blind)

#2064BD

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3768bf;
/* rgb */ color: rgb(55, 104, 191);
/* oklch */ color: oklch(52.9% 0.147 260.9);

Tailwind

colors: {
  custom: {
    50: '#7e92d3',
    500: '#3768bf',
    950: '#000000',
  },
}

SCSS

$custom: #3768bf;
$custom-light: #7e92d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3768bf",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 191
  },
  "hsl": {
    "h": 218.382,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52924,
    "c": 0.14661,
    "h": 260.9
  },
  "luminance": 0.14474
}

Semantic roles & 50–950 ramp

primary

#3768BF

secondary

#CAB288

accent

#A949DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3768BF

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

Preview Lab → · Contrast checker → · Palette generator →