#3763BE#3763BE

#3763BE is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.8% C 0.151 H 262.8°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3763BE
RGB	rgb(55, 99, 190)
HSL	hsl(220, 55%, 48%)
HSV	hsv(220, 71%, 75%)
CMYK	cmyk(71.1%, 47.9%, 0%, 25.5%)
CIE-LAB	lab(43.44, 15.97, -52.33)
CIE-LCH	lch(43.44, 54.71, 286.97°)
OKLab	oklab(51.78% -0.0188 -0.1501)
OKLCH	oklch(51.78% 0.151 262.8)
XYZ	xyz(15.3284, 13.4520, 50.4939)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763BE #BE9237

analogous

#37A7BE #3763BE #4E37BE

triadic

#3763BE #BE3763 #63BE37

tetradic

#3763BE #BE37A7 #BE9237 #37BE4E

square

#3763BE #BE37A7 #BE9237 #37BE4E

split-complementary

#3763BE #BE4E37 #A7BE37

monochromatic

#1C325F #294A8F #3763BE #6186D1 #90AADF

Accessibility & contrast

On white

5.69

#3763BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3763BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763BE

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763BE	#FFFFFF	#000000	##FFFFFF
##3763BE	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326DC1

Deuteranopia (green-blind)

#0D61BC

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3763be;
/* rgb */ color: rgb(55, 99, 190);
/* oklch */ color: oklch(51.8% 0.151 262.8);

Tailwind

colors: {
  custom: {
    50: '#7e8ed2',
    500: '#3763be',
    950: '#000000',
  },
}

SCSS

$custom: #3763be;
$custom-light: #7e8ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3763be",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 220.444,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51778,
    "c": 0.15126,
    "h": 262.8
  },
  "luminance": 0.13454
}

Semantic roles & 50–950 ramp

primary

#3763BE

secondary

#CAB487

accent

#AE49DE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3763BE

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

Preview Lab → · Contrast checker → · Palette generator →