#3765BA#3765BA

#3765BA is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.9% C 0.143 H 261.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#3765BA
RGB	rgb(55, 101, 186)
HSL	hsl(219, 54%, 47%)
HSV	hsv(219, 70%, 73%)
CMYK	cmyk(70.4%, 45.7%, 0%, 27.1%)
CIE-LAB	lab(43.75, 13.21, -49.51)
CIE-LCH	lch(43.75, 51.24, 284.94°)
OKLab	oklab(51.93% -0.0213 -0.1417)
OKLCH	oklch(51.93% 0.143 261.5)
XYZ	xyz(15.0890, 13.6632, 48.2869)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765BA #BA8C37

analogous

#37A7BA #3765BA #4A37BA

triadic

#3765BA #BA3765 #65BA37

tetradic

#3765BA #BA37A7 #BA8C37 #37BA4A

square

#3765BA #BA37A7 #BA8C37 #37BA4A

split-complementary

#3765BA #BA4A37 #A7BA37

monochromatic

#1B325C #294B8B #3765BA #5F86D0 #8EAADE

Accessibility & contrast

On white

5.63

#3765BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3765BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765BA

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765BA	#FFFFFF	#000000	##FFFFFF
##3765BA	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBD

Deuteranopia (green-blind)

#2062B8

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3765ba;
/* rgb */ color: rgb(55, 101, 186);
/* oklch */ color: oklch(51.9% 0.143 261.5);

Tailwind

colors: {
  custom: {
    50: '#7d90cf',
    500: '#3765ba',
    950: '#000000',
  },
}

SCSS

$custom: #3765ba;
$custom-light: #7d90cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3765ba",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 186
  },
  "hsl": {
    "h": 218.931,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51934,
    "c": 0.14334,
    "h": 261.5
  },
  "luminance": 0.13665
}

Semantic roles & 50–950 ramp

primary

#3765BA

secondary

#C8B085

accent

#AA4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3765BA

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

Preview Lab → · Contrast checker → · Palette generator →