#3768C8#3768C8

#3768C8 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.5% C 0.159 H 262.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3768C8
RGB	rgb(55, 104, 200)
HSL	hsl(220, 57%, 50%)
HSV	hsv(220, 73%, 78%)
CMYK	cmyk(72.5%, 48%, 0%, 21.6%)
CIE-LAB	lab(45.47, 16.46, -54.84)
CIE-LCH	lch(45.47, 57.25, 286.71°)
OKLab	oklab(53.54% -0.0217 -0.1574)
OKLCH	oklch(53.54% 0.159 262.1)
XYZ	xyz(16.9475, 14.8812, 56.6116)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768C8 #C89737

analogous

#37B1C8 #3768C8 #4E37C8

triadic

#3768C8 #C83768 #68C837

tetradic

#3768C8 #C837B1 #C89737 #37C84E

square

#3768C8 #C837B1 #C89737 #37C84E

split-complementary

#3768C8 #C84E37 #B1C837

monochromatic

#1D3668 #2A4F98 #3768C8 #678CD5 #97B0E2

Accessibility & contrast

On white

5.28

#3768C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3768C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768C8

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768C8	#FFFFFF	#000000	##FFFFFF
##3768C8	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3373CC

Deuteranopia (green-blind)

#0565C6

Tritanopia (blue-blind)

#007F8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3768c8;
/* rgb */ color: rgb(55, 104, 200);
/* oklch */ color: oklch(53.5% 0.159 262.1);

Tailwind

colors: {
  custom: {
    50: '#8092d9',
    500: '#3768c8',
    950: '#000000',
  },
}

SCSS

$custom: #3768c8;
$custom-light: #8092d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3768c8",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 200
  },
  "hsl": {
    "h": 219.724,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.53542,
    "c": 0.15886,
    "h": 262.1
  },
  "luminance": 0.14883
}

Semantic roles & 50–950 ramp

primary

#3768C8

secondary

#CEB88D

accent

#AD48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3768C8

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

Preview Lab → · Contrast checker → · Palette generator →