#3768C1#3768C1

#3768C1 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.1% C 0.149 H 261.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3768C1
RGB	rgb(55, 104, 193)
HSL	hsl(219, 56%, 49%)
HSV	hsv(219, 72%, 76%)
CMYK	cmyk(71.5%, 46.1%, 0%, 24.3%)
CIE-LAB	lab(45.03, 13.88, -51.51)
CIE-LCH	lch(45.03, 53.35, 285.08°)
OKLab	oklab(53.06% -0.0228 -0.1476)
OKLCH	oklch(53.06% 0.149 261.2)
XYZ	xyz(16.1481, 14.5614, 52.4013)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768C1 #C19037

analogous

#37ADC1 #3768C1 #4B37C1

triadic

#3768C1 #C13768 #68C137

tetradic

#3768C1 #C137AD #C19037 #37C14B

square

#3768C1 #C137AD #C19037 #37C14B

split-complementary

#3768C1 #C14B37 #ADC137

monochromatic

#1C3562 #294E91 #3768C1 #638AD2 #92AEE0

Accessibility & contrast

On white

5.37

#3768C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3768C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768C1

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768C1	#FFFFFF	#000000	##FFFFFF
##3768C1	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A71C4

Deuteranopia (green-blind)

#1C65BF

Tritanopia (blue-blind)

#007D8B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3768c1;
/* rgb */ color: rgb(55, 104, 193);
/* oklch */ color: oklch(53.1% 0.149 261.2);

Tailwind

colors: {
  custom: {
    50: '#7f92d4',
    500: '#3768c1',
    950: '#000000',
  },
}

SCSS

$custom: #3768c1;
$custom-light: #7f92d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3768c1",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 193
  },
  "hsl": {
    "h": 218.696,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53059,
    "c": 0.14935,
    "h": 261.2
  },
  "luminance": 0.14563
}

Semantic roles & 50–950 ramp

primary

#3768C1

secondary

#CBB489

accent

#AA49DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3768C1

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

Preview Lab → · Contrast checker → · Palette generator →