#3764C4#3764C4

#3764C4 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.4% C 0.158 H 263.1°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3764C4
RGB	rgb(55, 100, 196)
HSL	hsl(221, 56%, 49%)
HSV	hsv(221, 72%, 77%)
CMYK	cmyk(71.9%, 49%, 0%, 23.1%)
CIE-LAB	lab(44.10, 17.54, -54.73)
CIE-LCH	lch(44.10, 57.47, 287.77°)
OKLab	oklab(52.41% -0.0189 -0.1571)
OKLCH	oklch(52.41% 0.158 263.1)
XYZ	xyz(16.0930, 13.9104, 54.0507)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764C4 #C49737

analogous

#37ABC4 #3764C4 #5137C4

triadic

#3764C4 #C43764 #64C437

tetradic

#3764C4 #C437AB #C49737 #37C451

square

#3764C4 #C437AB #C49737 #37C451

split-complementary

#3764C4 #C45137 #ABC437

monochromatic

#1C3364 #2A4C94 #3764C4 #6588D4 #94ADE1

Accessibility & contrast

On white

5.55

#3764C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3764C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C4

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764C4	#FFFFFF	#000000	##FFFFFF
##3764C4	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6FC8

Deuteranopia (green-blind)

#0062C2

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3764c4;
/* rgb */ color: rgb(55, 100, 196);
/* oklch */ color: oklch(52.4% 0.158 263.1);

Tailwind

colors: {
  custom: {
    50: '#7f8fd6',
    500: '#3764c4',
    950: '#000000',
  },
}

SCSS

$custom: #3764c4;
$custom-light: #7f8fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3764c4",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 196
  },
  "hsl": {
    "h": 220.851,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.52413,
    "c": 0.15826,
    "h": 263.1
  },
  "luminance": 0.13912
}

Semantic roles & 50–950 ramp

primary

#3764C4

secondary

#CCB78B

accent

#AF48DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3764C4

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

Preview Lab → · Contrast checker → · Palette generator →