#3764BA#3764BA

#3764BA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.7% C 0.145 H 261.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3764BA
RGB	rgb(55, 100, 186)
HSL	hsl(219, 54%, 47%)
HSV	hsv(219, 70%, 73%)
CMYK	cmyk(70.4%, 46.2%, 0%, 27.1%)
CIE-LAB	lab(43.46, 13.85, -49.96)
CIE-LCH	lch(43.46, 51.84, 285.49°)
OKLab	oklab(51.72% -0.0204 -0.1431)
OKLCH	oklch(51.72% 0.145 261.9)
XYZ	xyz(14.9925, 13.4702, 48.2547)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764BA #BA8D37

analogous

#37A6BA #3764BA #4B37BA

triadic

#3764BA #BA3764 #64BA37

tetradic

#3764BA #BA37A6 #BA8D37 #37BA4B

square

#3764BA #BA37A6 #BA8D37 #37BA4B

split-complementary

#3764BA #BA4B37 #A6BA37

monochromatic

#1B315C #294B8B #3764BA #5F85D0 #8EA9DE

Accessibility & contrast

On white

5.68

#3764BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3764BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764BA

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764BA	#FFFFFF	#000000	##FFFFFF
##3764BA	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386DBD

Deuteranopia (green-blind)

#1C61B8

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3764ba;
/* rgb */ color: rgb(55, 100, 186);
/* oklch */ color: oklch(51.7% 0.145 261.9);

Tailwind

colors: {
  custom: {
    50: '#7d8fcf',
    500: '#3764ba',
    950: '#000000',
  },
}

SCSS

$custom: #3764ba;
$custom-light: #7d8fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3764ba",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 186
  },
  "hsl": {
    "h": 219.389,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51716,
    "c": 0.14454,
    "h": 261.9
  },
  "luminance": 0.13472
}

Semantic roles & 50–950 ramp

primary

#3764BA

secondary

#C8B185

accent

#AB4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3764BA

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

Preview Lab → · Contrast checker → · Palette generator →