#3763B2#3763B2

#3763B2 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.135 H 261.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3763B2
RGB	rgb(55, 99, 178)
HSL	hsl(219, 53%, 46%)
HSV	hsv(219, 69%, 70%)
CMYK	cmyk(69.1%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(42.69, 11.54, -46.53)
CIE-LCH	lch(42.69, 47.94, 283.93°)
OKLab	oklab(50.96% -0.0208 -0.133)
OKLCH	oklch(50.96% 0.135 261.1)
XYZ	xyz(14.0704, 12.9488, 43.8687)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763B2 #B28637

analogous

#37A0B2 #3763B2 #4937B2

triadic

#3763B2 #B23763 #63B237

tetradic

#3763B2 #B237A0 #B28637 #37B249

square

#3763B2 #B237A0 #B28637 #37B249

split-complementary

#3763B2 #B24937 #A0B237

monochromatic

#1A2F54 #294983 #3763B2 #5A83CC #89A6DB

Accessibility & contrast

On white

5.85

#3763B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3763B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763B2

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763B2	#FFFFFF	#000000	##FFFFFF
##3763B2	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6BB5

Deuteranopia (green-blind)

#2760B0

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3763b2;
/* rgb */ color: rgb(55, 99, 178);
/* oklch */ color: oklch(51.0% 0.135 261.1);

Tailwind

colors: {
  custom: {
    50: '#7c8ec9',
    500: '#3763b2',
    950: '#000000',
  },
}

SCSS

$custom: #3763b2;
$custom-light: #7c8ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3763b2",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 218.537,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50959,
    "c": 0.13466,
    "h": 261.1
  },
  "luminance": 0.1295
}

Semantic roles & 50–950 ramp

primary

#3763B2

secondary

#C5AC80

accent

#A84CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3763B2

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

Preview Lab → · Contrast checker → · Palette generator →