#3768AF#3768AF

#3768AF is a mid, vivid blue. Relative luminance 0.138; OKLCH L 51.9% C 0.125 H 257.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3768AF
RGB	rgb(55, 104, 175)
HSL	hsl(216, 52%, 45%)
HSV	hsv(216, 69%, 69%)
CMYK	cmyk(68.6%, 40.6%, 0%, 31.4%)
CIE-LAB	lab(43.95, 7.27, -42.75)
CIE-LCH	lch(43.95, 43.36, 279.65°)
OKLab	oklab(51.88% -0.0263 -0.1218)
OKLCH	oklch(51.88% 0.125 257.8)
XYZ	xyz(14.2609, 13.8065, 42.4625)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768AF #AF7E37

analogous

#37A4AF #3768AF #4237AF

triadic

#3768AF #AF3768 #68AF37

tetradic

#3768AF #AF37A4 #AF7E37 #37AF42

square

#3768AF #AF37A4 #AF7E37 #37AF42

split-complementary

#3768AF #AF4237 #A4AF37

monochromatic

#1A3152 #284C80 #3768AF #5987CB #87A9D9

Accessibility & contrast

On white

5.58

#3768AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3768AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768AF

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768AF	#FFFFFF	#000000	##FFFFFF
##3768AF	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476EB2

Deuteranopia (green-blind)

#3563AE

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3768af;
/* rgb */ color: rgb(55, 104, 175);
/* oklch */ color: oklch(51.9% 0.125 257.8);

Tailwind

colors: {
  custom: {
    50: '#7b92c7',
    500: '#3768af',
    950: '#000000',
  },
}

SCSS

$custom: #3768af;
$custom-light: #7b92c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3768af",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 175
  },
  "hsl": {
    "h": 215.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51883,
    "c": 0.12466,
    "h": 257.8
  },
  "luminance": 0.13808
}

Semantic roles & 50–950 ramp

primary

#3768AF

secondary

#C3A77F

accent

#A14CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0D13

muted

#7C7D82

Preview Lab

Preview with #3768AF

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

Preview Lab → · Contrast checker → · Palette generator →