#3764C1#3764C1

#3764C1 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.154 H 262.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3764C1
RGB	rgb(55, 100, 193)
HSL	hsl(220, 56%, 49%)
HSV	hsv(220, 72%, 76%)
CMYK	cmyk(71.5%, 48.2%, 0%, 24.3%)
CIE-LAB	lab(43.91, 16.43, -53.31)
CIE-LCH	lch(43.91, 55.79, 287.13°)
OKLab	oklab(52.2% -0.0193 -0.1529)
OKLCH	oklch(52.2% 0.154 262.8)
XYZ	xyz(15.7549, 13.7752, 52.2703)
Luminance	0.1378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764C1 #C19437

analogous

#37A9C1 #3764C1 #4F37C1

triadic

#3764C1 #C13764 #64C137

tetradic

#3764C1 #C137A9 #C19437 #37C14F

square

#3764C1 #C137A9 #C19437 #37C14F

split-complementary

#3764C1 #C14F37 #A9C137

monochromatic

#1C3362 #294B91 #3764C1 #6387D2 #92ACE0

Accessibility & contrast

On white

5.59

#3764C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3764C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C1

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764C1	#FFFFFF	#000000	##FFFFFF
##3764C1	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316FC4

Deuteranopia (green-blind)

#0762BF

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3764c1;
/* rgb */ color: rgb(55, 100, 193);
/* oklch */ color: oklch(52.2% 0.154 262.8);

Tailwind

colors: {
  custom: {
    50: '#7f8fd4',
    500: '#3764c1',
    950: '#000000',
  },
}

SCSS

$custom: #3764c1;
$custom-light: #7f8fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3764c1",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 193
  },
  "hsl": {
    "h": 220.435,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52201,
    "c": 0.15416,
    "h": 262.8
  },
  "luminance": 0.13777
}

Semantic roles & 50–950 ramp

primary

#3764C1

secondary

#CBB589

accent

#AE49DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3764C1

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

Preview Lab → · Contrast checker → · Palette generator →