#3768C6#3768C6

#3768C6 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.4% C 0.156 H 261.9°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3768C6
RGB	rgb(55, 104, 198)
HSL	hsl(219, 57%, 50%)
HSV	hsv(219, 72%, 78%)
CMYK	cmyk(72.2%, 47.5%, 0%, 22.4%)
CIE-LAB	lab(45.34, 15.72, -53.89)
CIE-LCH	lch(45.34, 56.14, 286.26°)
OKLab	oklab(53.4% -0.022 -0.1546)
OKLCH	oklch(53.4% 0.156 261.9)
XYZ	xyz(16.7153, 14.7883, 55.3886)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768C6 #C69537

analogous

#37AFC6 #3768C6 #4E37C6

triadic

#3768C6 #C63768 #68C637

tetradic

#3768C6 #C637AF #C69537 #37C64E

square

#3768C6 #C637AF #C69537 #37C64E

split-complementary

#3768C6 #C64E37 #AFC637

monochromatic

#1C3666 #2A4F96 #3768C6 #668CD4 #96B0E2

Accessibility & contrast

On white

5.31

#3768C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3768C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768C6

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768C6	#FFFFFF	#000000	##FFFFFF
##3768C6	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3572C9

Deuteranopia (green-blind)

#0E65C4

Tritanopia (blue-blind)

#007E8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3768c6;
/* rgb */ color: rgb(55, 104, 198);
/* oklch */ color: oklch(53.4% 0.156 261.9);

Tailwind

colors: {
  custom: {
    50: '#8092d8',
    500: '#3768c6',
    950: '#000000',
  },
}

SCSS

$custom: #3768c6;
$custom-light: #8092d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3768c6",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 198
  },
  "hsl": {
    "h": 219.441,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.53403,
    "c": 0.15615,
    "h": 261.9
  },
  "luminance": 0.1479
}

Semantic roles & 50–950 ramp

primary

#3768C6

secondary

#CDB78C

accent

#AC48E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3768C6

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

Preview Lab → · Contrast checker → · Palette generator →