#3763B8#3763B8

#3763B8 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.4% C 0.143 H 262.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3763B8
RGB	rgb(55, 99, 184)
HSL	hsl(220, 54%, 47%)
HSV	hsv(220, 70%, 72%)
CMYK	cmyk(70.1%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(43.06, 13.75, -49.45)
CIE-LCH	lch(43.06, 51.33, 285.54°)
OKLab	oklab(51.36% -0.0198 -0.1416)
OKLCH	oklch(51.36% 0.143 262)
XYZ	xyz(14.6860, 13.1951, 47.1110)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763B8 #B88C37

analogous

#37A4B8 #3763B8 #4C37B8

triadic

#3763B8 #B83763 #63B837

tetradic

#3763B8 #B837A4 #B88C37 #37B84C

square

#3763B8 #B837A4 #B88C37 #37B84C

split-complementary

#3763B8 #B84C37 #A4B837

monochromatic

#1B305A #294A89 #3763B8 #5D84CF #8DA8DD

Accessibility & contrast

On white

5.77

#3763B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3763B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763B8

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763B8	#FFFFFF	#000000	##FFFFFF
##3763B8	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386CBB

Deuteranopia (green-blind)

#1D60B6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3763b8;
/* rgb */ color: rgb(55, 99, 184);
/* oklch */ color: oklch(51.4% 0.143 262.0);

Tailwind

colors: {
  custom: {
    50: '#7d8ece',
    500: '#3763b8',
    950: '#000000',
  },
}

SCSS

$custom: #3763b8;
$custom-light: #7d8ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3763b8",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 219.535,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.51363,
    "c": 0.14298,
    "h": 262
  },
  "luminance": 0.13197
}

Semantic roles & 50–950 ramp

primary

#3763B8

secondary

#C7B084

accent

#AB4ADD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3763B8

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

Preview Lab → · Contrast checker → · Palette generator →