#3768C3#3768C3

#3768C3 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.2% C 0.152 H 261.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3768C3
RGB	rgb(55, 104, 195)
HSL	hsl(219, 56%, 49%)
HSV	hsv(219, 72%, 76%)
CMYK	cmyk(71.8%, 46.7%, 0%, 23.5%)
CIE-LAB	lab(45.15, 14.62, -52.47)
CIE-LCH	lch(45.15, 54.46, 285.57°)
OKLab	oklab(53.2% -0.0225 -0.1504)
OKLCH	oklch(53.2% 0.152 261.5)
XYZ	xyz(16.3727, 14.6512, 53.5843)
Luminance	0.1465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768C3 #C39237

analogous

#37AEC3 #3768C3 #4C37C3

triadic

#3768C3 #C33768 #68C337

tetradic

#3768C3 #C337AE #C39237 #37C34C

square

#3768C3 #C337AE #C39237 #37C34C

split-complementary

#3768C3 #C34C37 #AEC337

monochromatic

#1C3564 #2A4F93 #3768C3 #648BD3 #94AFE1

Accessibility & contrast

On white

5.34

#3768C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#3768C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768C3

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768C3	#FFFFFF	#000000	##FFFFFF
##3768C3	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3872C6

Deuteranopia (green-blind)

#1765C1

Tritanopia (blue-blind)

#007D8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3768c3;
/* rgb */ color: rgb(55, 104, 195);
/* oklch */ color: oklch(53.2% 0.152 261.5);

Tailwind

colors: {
  custom: {
    50: '#7f92d6',
    500: '#3768c3',
    950: '#000000',
  },
}

SCSS

$custom: #3768c3;
$custom-light: #7f92d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3768c3",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 195
  },
  "hsl": {
    "h": 219,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53196,
    "c": 0.15208,
    "h": 261.5
  },
  "luminance": 0.14653
}

Semantic roles & 50–950 ramp

primary

#3768C3

secondary

#CCB58A

accent

#AB49DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3768C3

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

Preview Lab → · Contrast checker → · Palette generator →