#3763BA#3763BA

#3763BA is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.146 H 262.3°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3763BA
RGB	rgb(55, 99, 186)
HSL	hsl(220, 54%, 47%)
HSV	hsv(220, 70%, 73%)
CMYK	cmyk(70.4%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(43.18, 14.49, -50.41)
CIE-LCH	lch(43.18, 52.45, 286.04°)
OKLab	oklab(51.5% -0.0195 -0.1444)
OKLCH	oklch(51.5% 0.146 262.3)
XYZ	xyz(14.8972, 13.2795, 48.2230)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763BA #BA8E37

analogous

#37A5BA #3763BA #4C37BA

triadic

#3763BA #BA3763 #63BA37

tetradic

#3763BA #BA37A5 #BA8E37 #37BA4C

square

#3763BA #BA37A5 #BA8E37 #37BA4C

split-complementary

#3763BA #BA4C37 #A5BA37

monochromatic

#1B315C #294A8B #3763BA #5F85D0 #8EA9DE

Accessibility & contrast

On white

5.74

#3763BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3763BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763BA

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763BA	#FFFFFF	#000000	##FFFFFF
##3763BA	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366CBD

Deuteranopia (green-blind)

#1960B8

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3763ba;
/* rgb */ color: rgb(55, 99, 186);
/* oklch */ color: oklch(51.5% 0.146 262.3);

Tailwind

colors: {
  custom: {
    50: '#7e8ecf',
    500: '#3763ba',
    950: '#000000',
  },
}

SCSS

$custom: #3763ba;
$custom-light: #7e8ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3763ba",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 219.847,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.515,
    "c": 0.14575,
    "h": 262.3
  },
  "luminance": 0.13281
}

Semantic roles & 50–950 ramp

primary

#3763BA

secondary

#C8B185

accent

#AC4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3763BA

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

Preview Lab → · Contrast checker → · Palette generator →