#3764C8#3764C8

#3764C8 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.7% C 0.164 H 263.6°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3764C8
RGB	rgb(55, 100, 200)
HSL	hsl(221, 57%, 50%)
HSV	hsv(221, 73%, 78%)
CMYK	cmyk(72.5%, 50%, 0%, 21.6%)
CIE-LAB	lab(44.37, 19.02, -56.61)
CIE-LCH	lch(44.37, 59.72, 288.57°)
OKLab	oklab(52.7% -0.0184 -0.1627)
OKLCH	oklch(52.7% 0.164 263.6)
XYZ	xyz(16.5543, 14.0949, 56.4805)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764C8 #C89B37

analogous

#37ADC8 #3764C8 #5237C8

triadic

#3764C8 #C83764 #64C837

tetradic

#3764C8 #C837AD #C89B37 #37C852

square

#3764C8 #C837AD #C89B37 #37C852

split-complementary

#3764C8 #C85237 #ADC837

monochromatic

#1D3468 #2A4C98 #3764C8 #6789D5 #97AEE2

Accessibility & contrast

On white

5.50

#3764C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3764C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C8

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764C8	#FFFFFF	#000000	##FFFFFF
##3764C8	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2870CC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3764c8;
/* rgb */ color: rgb(55, 100, 200);
/* oklch */ color: oklch(52.7% 0.164 263.6);

Tailwind

colors: {
  custom: {
    50: '#808fd9',
    500: '#3764c8',
    950: '#000000',
  },
}

SCSS

$custom: #3764c8;
$custom-light: #808fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3764c8",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 200
  },
  "hsl": {
    "h": 221.379,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.527,
    "c": 0.1637,
    "h": 263.6
  },
  "luminance": 0.14097
}

Semantic roles & 50–950 ramp

primary

#3764C8

secondary

#CEBA8D

accent

#B148E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3764C8

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

Preview Lab → · Contrast checker → · Palette generator →