#3761BA#3761BA

#3761BA is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.1% C 0.148 H 263.2°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3761BA
RGB	rgb(55, 97, 186)
HSL	hsl(221, 54%, 47%)
HSV	hsv(221, 70%, 73%)
CMYK	cmyk(70.4%, 47.8%, 0%, 27.1%)
CIE-LAB	lab(42.62, 15.78, -51.32)
CIE-LCH	lch(42.62, 53.69, 287.09°)
OKLab	oklab(51.07% -0.0176 -0.1471)
OKLCH	oklch(51.07% 0.148 263.2)
XYZ	xyz(14.7100, 12.9053, 48.1606)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3761BA #BA9037

analogous

#37A3BA #3761BA #4E37BA

triadic

#3761BA #BA3761 #61BA37

tetradic

#3761BA #BA37A3 #BA9037 #37BA4E

square

#3761BA #BA37A3 #BA9037 #37BA4E

split-complementary

#3761BA #BA4E37 #A3BA37

monochromatic

#1B305C #29488B #3761BA #5F83D0 #8EA7DE

Accessibility & contrast

On white

5.86

#3761BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3761BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3761BA

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3761BA	#FFFFFF	#000000	##FFFFFF
##3761BA	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316BBD

Deuteranopia (green-blind)

#0F5FB8

Tritanopia (blue-blind)

#007684

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3761ba;
/* rgb */ color: rgb(55, 97, 186);
/* oklch */ color: oklch(51.1% 0.148 263.2);

Tailwind

colors: {
  custom: {
    50: '#7e8dcf',
    500: '#3761ba',
    950: '#000000',
  },
}

SCSS

$custom: #3761ba;
$custom-light: #7e8dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3761ba",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 186
  },
  "hsl": {
    "h": 220.763,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5107,
    "c": 0.14818,
    "h": 263.2
  },
  "luminance": 0.12907
}

Semantic roles & 50–950 ramp

primary

#3761BA

secondary

#C8B285

accent

#AE4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3761BA

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

Preview Lab → · Contrast checker → · Palette generator →