#3765CA#3765CA

#3765CA is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.165 H 263.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3765CA
RGB	rgb(55, 101, 202)
HSL	hsl(221, 58%, 50%)
HSV	hsv(221, 73%, 79%)
CMYK	cmyk(72.8%, 50%, 0%, 20.8%)
CIE-LAB	lab(44.78, 19.12, -57.11)
CIE-LCH	lch(44.78, 60.22, 288.51°)
OKLab	oklab(53.05% -0.019 -0.1641)
OKLCH	oklch(53.05% 0.165 263.4)
XYZ	xyz(16.8861, 14.3820, 57.7517)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765CA #CA9C37

analogous

#37AFCA #3765CA #5237CA

triadic

#3765CA #CA3765 #65CA37

tetradic

#3765CA #CA37AF #CA9C37 #37CA52

square

#3765CA #CA37AF #CA9C37 #37CA52

split-complementary

#3765CA #CA5237 #AFCA37

monochromatic

#1C356A #294D9B #3765CA #678AD7 #98B0E4

Accessibility & contrast

On white

5.42

#3765CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3765CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765CA

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765CA	#FFFFFF	#000000	##FFFFFF
##3765CA	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2971CE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3765ca;
/* rgb */ color: rgb(55, 101, 202);
/* oklch */ color: oklch(53.1% 0.165 263.4);

Tailwind

colors: {
  custom: {
    50: '#8190db',
    500: '#3765ca',
    950: '#000000',
  },
}

SCSS

$custom: #3765ca;
$custom-light: #8190db;
$custom-dark: #000000;

JSON

{
  "hex": "#3765ca",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 202
  },
  "hsl": {
    "h": 221.224,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53053,
    "c": 0.1652,
    "h": 263.4
  },
  "luminance": 0.14384
}

Semantic roles & 50–950 ramp

primary

#3765CA

secondary

#CFBB8E

accent

#B146E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3765CA

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

Preview Lab → · Contrast checker → · Palette generator →