#3764C5#3764C5

#3764C5 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.160 H 263.3°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3764C5
RGB	rgb(55, 100, 197)
HSL	hsl(221, 56%, 49%)
HSV	hsv(221, 72%, 77%)
CMYK	cmyk(72.1%, 49.2%, 0%, 22.7%)
CIE-LAB	lab(44.17, 17.91, -55.20)
CIE-LCH	lch(44.17, 58.04, 287.98°)
OKLab	oklab(52.48% -0.0187 -0.1585)
OKLCH	oklch(52.48% 0.16 263.3)
XYZ	xyz(16.2072, 13.9561, 54.6521)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764C5 #C59837

analogous

#37ABC5 #3764C5 #5137C5

triadic

#3764C5 #C53764 #64C537

tetradic

#3764C5 #C537AB #C59837 #37C551

square

#3764C5 #C537AB #C59837 #37C551

split-complementary

#3764C5 #C55137 #ABC537

monochromatic

#1C3365 #2A4C95 #3764C5 #6588D4 #95ADE1

Accessibility & contrast

On white

5.54

#3764C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#3764C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764C5	#FFFFFF	#000000	##FFFFFF
##3764C5	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6FC9

Deuteranopia (green-blind)

#0062C3

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3764c5;
/* rgb */ color: rgb(55, 100, 197);
/* oklch */ color: oklch(52.5% 0.160 263.3);

Tailwind

colors: {
  custom: {
    50: '#808fd7',
    500: '#3764c5',
    950: '#000000',
  },
}

SCSS

$custom: #3764c5;
$custom-light: #808fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3764c5",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 197
  },
  "hsl": {
    "h": 220.986,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52484,
    "c": 0.15963,
    "h": 263.3
  },
  "luminance": 0.13958
}

Semantic roles & 50–950 ramp

primary

#3764C5

secondary

#CDB88B

accent

#B048E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3764C5

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

Preview Lab → · Contrast checker → · Palette generator →