#3768C4#3768C4

#3768C4 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.3% C 0.153 H 261.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3768C4
RGB	rgb(55, 104, 196)
HSL	hsl(219, 56%, 49%)
HSV	hsv(219, 72%, 77%)
CMYK	cmyk(71.9%, 46.9%, 0%, 23.1%)
CIE-LAB	lab(45.22, 14.98, -52.94)
CIE-LCH	lch(45.22, 55.02, 285.80°)
OKLab	oklab(53.26% -0.0223 -0.1518)
OKLCH	oklch(53.26% 0.153 261.6)
XYZ	xyz(16.4861, 14.6966, 54.1817)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768C4 #C49337

analogous

#37AFC4 #3768C4 #4D37C4

triadic

#3768C4 #C43768 #68C437

tetradic

#3768C4 #C437AF #C49337 #37C44D

square

#3768C4 #C437AF #C49337 #37C44D

split-complementary

#3768C4 #C44D37 #AFC437

monochromatic

#1C3564 #2A4F94 #3768C4 #658BD4 #94AFE1

Accessibility & contrast

On white

5.33

#3768C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#3768C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768C4

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768C4	#FFFFFF	#000000	##FFFFFF
##3768C4	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3772C7

Deuteranopia (green-blind)

#1565C2

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3768c4;
/* rgb */ color: rgb(55, 104, 196);
/* oklch */ color: oklch(53.3% 0.153 261.6);

Tailwind

colors: {
  custom: {
    50: '#7f92d6',
    500: '#3768c4',
    950: '#000000',
  },
}

SCSS

$custom: #3768c4;
$custom-light: #7f92d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3768c4",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 196
  },
  "hsl": {
    "h": 219.149,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53265,
    "c": 0.15344,
    "h": 261.6
  },
  "luminance": 0.14698
}

Semantic roles & 50–950 ramp

primary

#3768C4

secondary

#CCB58B

accent

#AB48DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3768C4

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

Preview Lab → · Contrast checker → · Palette generator →