#3764BD#3764BD

#3764BD is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.149 H 262.3°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3764BD
RGB	rgb(55, 100, 189)
HSL	hsl(220, 55%, 48%)
HSV	hsv(220, 71%, 74%)
CMYK	cmyk(70.9%, 47.1%, 0%, 25.9%)
CIE-LAB	lab(43.65, 14.96, -51.40)
CIE-LCH	lch(43.65, 53.53, 286.22°)
OKLab	oklab(51.92% -0.0199 -0.1473)
OKLCH	oklch(51.92% 0.149 262.3)
XYZ	xyz(15.3148, 13.5991, 49.9520)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764BD #BD9037

analogous

#37A7BD #3764BD #4D37BD

triadic

#3764BD #BD3764 #64BD37

tetradic

#3764BD #BD37A7 #BD9037 #37BD4D

square

#3764BD #BD37A7 #BD9037 #37BD4D

split-complementary

#3764BD #BD4D37 #A7BD37

monochromatic

#1B325E #294B8E #3764BD #6086D1 #90AADF

Accessibility & contrast

On white

5.64

#3764BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3764BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764BD

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764BD	#FFFFFF	#000000	##FFFFFF
##3764BD	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356EC0

Deuteranopia (green-blind)

#1561BB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3764bd;
/* rgb */ color: rgb(55, 100, 189);
/* oklch */ color: oklch(51.9% 0.149 262.3);

Tailwind

colors: {
  custom: {
    50: '#7e8fd1',
    500: '#3764bd',
    950: '#000000',
  },
}

SCSS

$custom: #3764bd;
$custom-light: #7e8fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3764bd",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 189
  },
  "hsl": {
    "h": 219.851,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51922,
    "c": 0.14868,
    "h": 262.3
  },
  "luminance": 0.13601
}

Semantic roles & 50–950 ramp

primary

#3764BD

secondary

#C9B386

accent

#AC4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3764BD

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

Preview Lab → · Contrast checker → · Palette generator →