#3763B0#3763B0

#3763B0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.8% C 0.132 H 260.7°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3763B0
RGB	rgb(55, 99, 176)
HSL	hsl(218, 52%, 45%)
HSV	hsv(218, 69%, 69%)
CMYK	cmyk(68.8%, 43.8%, 0%, 31%)
CIE-LAB	lab(42.57, 10.81, -45.55)
CIE-LCH	lch(42.57, 46.82, 283.35°)
OKLab	oklab(50.83% -0.0212 -0.1302)
OKLCH	oklch(50.83% 0.132 260.7)
XYZ	xyz(13.8711, 12.8691, 42.8188)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763B0 #B08437

analogous

#379FB0 #3763B0 #4837B0

triadic

#3763B0 #B03763 #63B037

tetradic

#3763B0 #B0379F #B08437 #37B048

square

#3763B0 #B0379F #B08437 #37B048

split-complementary

#3763B0 #B04837 #9FB037

monochromatic

#1A2F53 #284981 #3763B0 #5983CB #88A6DA

Accessibility & contrast

On white

5.88

#3763B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3763B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763B0

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763B0	#FFFFFF	#000000	##FFFFFF
##3763B0	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6AB3

Deuteranopia (green-blind)

#295FAE

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3763b0;
/* rgb */ color: rgb(55, 99, 176);
/* oklch */ color: oklch(50.8% 0.132 260.7);

Tailwind

colors: {
  custom: {
    50: '#7c8ec8',
    500: '#3763b0',
    950: '#000000',
  },
}

SCSS

$custom: #3763b0;
$custom-light: #7c8ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#3763b0",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 176
  },
  "hsl": {
    "h": 218.182,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50827,
    "c": 0.13188,
    "h": 260.7
  },
  "luminance": 0.1287
}

Semantic roles & 50–950 ramp

primary

#3763B0

secondary

#C4AB7F

accent

#A84CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3763B0

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

Preview Lab → · Contrast checker → · Palette generator →