#3768AD#3768AD

#3768AD is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.8% C 0.122 H 257.3°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3768AD
RGB	rgb(55, 104, 173)
HSL	hsl(215, 52%, 45%)
HSV	hsv(215, 68%, 68%)
CMYK	cmyk(68.2%, 39.9%, 0%, 32.2%)
CIE-LAB	lab(43.84, 6.54, -41.76)
CIE-LCH	lch(43.84, 42.27, 278.90°)
OKLab	oklab(51.76% -0.0268 -0.1189)
OKLCH	oklch(51.76% 0.122 257.3)
XYZ	xyz(14.0660, 13.7286, 41.4356)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768AD #AD7C37

analogous

#37A3AD #3768AD #4137AD

triadic

#3768AD #AD3768 #68AD37

tetradic

#3768AD #AD37A3 #AD7C37 #37AD41

square

#3768AD #AD37A3 #AD7C37 #37AD41

split-complementary

#3768AD #AD4137 #A3AD37

monochromatic

#193050 #284C7F #3768AD #5787CA #86A8D8

Accessibility & contrast

On white

5.61

#3768AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3768AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768AD

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768AD	#FFFFFF	#000000	##FFFFFF
##3768AD	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#496EB0

Deuteranopia (green-blind)

#3763AC

Tritanopia (blue-blind)

#007882

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3768ad;
/* rgb */ color: rgb(55, 104, 173);
/* oklch */ color: oklch(51.8% 0.122 257.3);

Tailwind

colors: {
  custom: {
    50: '#7b92c6',
    500: '#3768ad',
    950: '#000000',
  },
}

SCSS

$custom: #3768ad;
$custom-light: #7b92c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3768ad",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 173
  },
  "hsl": {
    "h": 215.085,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51759,
    "c": 0.12192,
    "h": 257.3
  },
  "luminance": 0.1373
}

Semantic roles & 50–950 ramp

primary

#3768AD

secondary

#C2A67D

accent

#A04DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0D13

muted

#7C7D82

Preview Lab

Preview with #3768AD

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

Preview Lab → · Contrast checker → · Palette generator →