#3764C0#3764C0

#3764C0 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.153 H 262.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3764C0
RGB	rgb(55, 100, 192)
HSL	hsl(220, 55%, 48%)
HSV	hsv(220, 71%, 75%)
CMYK	cmyk(71.4%, 47.9%, 0%, 24.7%)
CIE-LAB	lab(43.84, 16.06, -52.83)
CIE-LCH	lch(43.84, 55.22, 286.91°)
OKLab	oklab(52.13% -0.0194 -0.1515)
OKLCH	oklch(52.13% 0.153 262.7)
XYZ	xyz(15.6438, 13.7307, 51.6848)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764C0 #C09337

analogous

#37A8C0 #3764C0 #4E37C0

triadic

#3764C0 #C03764 #64C037

tetradic

#3764C0 #C037A8 #C09337 #37C04E

square

#3764C0 #C037A8 #C09337 #37C04E

split-complementary

#3764C0 #C04E37 #A8C037

monochromatic

#1C3261 #294B90 #3764C0 #6287D2 #92ABE0

Accessibility & contrast

On white

5.61

#3764C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3764C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C0

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764C0	#FFFFFF	#000000	##FFFFFF
##3764C0	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)

#326EC3

Deuteranopia (green-blind)

#0C62BE

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3764c0;
/* rgb */ color: rgb(55, 100, 192);
/* oklch */ color: oklch(52.1% 0.153 262.7);

Tailwind

colors: {
  custom: {
    50: '#7f8fd4',
    500: '#3764c0',
    950: '#000000',
  },
}

SCSS

$custom: #3764c0;
$custom-light: #7f8fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3764c0",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 192
  },
  "hsl": {
    "h": 220.292,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52131,
    "c": 0.15279,
    "h": 262.7
  },
  "luminance": 0.13732
}

Semantic roles & 50–950 ramp

primary

#3764C0

secondary

#CBB588

accent

#AE49DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3764C0

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

Preview Lab → · Contrast checker → · Palette generator →