#3761BD#3761BD

#3761BD is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.3% C 0.152 H 263.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3761BD
RGB	rgb(55, 97, 189)
HSL	hsl(221, 55%, 48%)
HSV	hsv(221, 71%, 74%)
CMYK	cmyk(70.9%, 48.7%, 0%, 25.9%)
CIE-LAB	lab(42.81, 16.88, -52.75)
CIE-LCH	lch(42.81, 55.39, 287.75°)
OKLab	oklab(51.28% -0.0172 -0.1514)
OKLCH	oklch(51.28% 0.152 263.5)
XYZ	xyz(15.0323, 13.0342, 49.8579)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3761BD #BD9337

analogous

#37A4BD #3761BD #5037BD

triadic

#3761BD #BD3761 #61BD37

tetradic

#3761BD #BD37A4 #BD9337 #37BD50

square

#3761BD #BD37A4 #BD9337 #37BD50

split-complementary

#3761BD #BD5037 #A4BD37

monochromatic

#1B305E #29498E #3761BD #6084D1 #90A8DF

Accessibility & contrast

On white

5.82

#3761BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3761BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3761BD

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3761BD	#FFFFFF	#000000	##FFFFFF
##3761BD	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6CC0

Deuteranopia (green-blind)

#035FBB

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3761bd;
/* rgb */ color: rgb(55, 97, 189);
/* oklch */ color: oklch(51.3% 0.152 263.5);

Tailwind

colors: {
  custom: {
    50: '#7e8dd1',
    500: '#3761bd',
    950: '#000000',
  },
}

SCSS

$custom: #3761bd;
$custom-light: #7e8dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3761bd",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 189
  },
  "hsl": {
    "h": 221.194,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51281,
    "c": 0.15233,
    "h": 263.5
  },
  "luminance": 0.13036
}

Semantic roles & 50–950 ramp

primary

#3761BD

secondary

#C9B486

accent

#B04ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3761BD

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

Preview Lab → · Contrast checker → · Palette generator →