#3764C6#3764C6

#3764C6 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.6% C 0.161 H 263.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3764C6
RGB	rgb(55, 100, 198)
HSL	hsl(221, 57%, 50%)
HSV	hsv(221, 72%, 78%)
CMYK	cmyk(72.2%, 49.5%, 0%, 22.4%)
CIE-LAB	lab(44.24, 18.28, -55.67)
CIE-LCH	lch(44.24, 58.60, 288.18°)
OKLab	oklab(52.56% -0.0186 -0.1599)
OKLCH	oklch(52.56% 0.161 263.4)
XYZ	xyz(16.3221, 14.0020, 55.2576)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764C6 #C69937

analogous

#37ACC6 #3764C6 #5237C6

triadic

#3764C6 #C63764 #64C637

tetradic

#3764C6 #C637AC #C69937 #37C652

square

#3764C6 #C637AC #C69937 #37C652

split-complementary

#3764C6 #C65237 #ACC637

monochromatic

#1C3466 #2A4C96 #3764C6 #6689D4 #96AEE2

Accessibility & contrast

On white

5.53

#3764C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3764C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C6

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764C6	#FFFFFF	#000000	##FFFFFF
##3764C6	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B70CA

Deuteranopia (green-blind)

#0062C4

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3764c6;
/* rgb */ color: rgb(55, 100, 198);
/* oklch */ color: oklch(52.6% 0.161 263.4);

Tailwind

colors: {
  custom: {
    50: '#808fd8',
    500: '#3764c6',
    950: '#000000',
  },
}

SCSS

$custom: #3764c6;
$custom-light: #808fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3764c6",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 198
  },
  "hsl": {
    "h": 221.119,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52556,
    "c": 0.16099,
    "h": 263.4
  },
  "luminance": 0.14004
}

Semantic roles & 50–950 ramp

primary

#3764C6

secondary

#CDB98C

accent

#B048E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3764C6

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

Preview Lab → · Contrast checker → · Palette generator →