#3764CE#3764CE

#3764CE is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.172 H 264.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3764CE
RGB	rgb(55, 100, 206)
HSL	hsl(222, 61%, 51%)
HSV	hsv(222, 73%, 81%)
CMYK	cmyk(73.3%, 51.5%, 0%, 19.2%)
CIE-LAB	lab(44.77, 21.24, -59.41)
CIE-LCH	lch(44.77, 63.09, 289.67°)
OKLab	oklab(53.14% -0.0177 -0.1709)
OKLCH	oklch(53.14% 0.172 264.1)
XYZ	xyz(17.2694, 14.3809, 60.2462)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764CE #CEA137

analogous

#37B0CE #3764CE #5537CE

triadic

#3764CE #CE3764 #64CE37

tetradic

#3764CE #CE37B0 #CEA137 #37CE55

square

#3764CE #CE37B0 #CEA137 #37CE55

split-complementary

#3764CE #CE5537 #B0CE37

monochromatic

#1B346F #274BA0 #3764CE #688ADA #99B0E6

Accessibility & contrast

On white

5.42

#3764CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3764CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764CE

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764CE	#FFFFFF	#000000	##FFFFFF
##3764CE	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F71D2

Deuteranopia (green-blind)

#0063CC

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3764ce;
/* rgb */ color: rgb(55, 100, 206);
/* oklch */ color: oklch(53.1% 0.172 264.1);

Tailwind

colors: {
  custom: {
    50: '#828fde',
    500: '#3764ce',
    950: '#000000',
  },
}

SCSS

$custom: #3764ce;
$custom-light: #828fde;
$custom-dark: #000000;

JSON

{
  "hex": "#3764ce",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 206
  },
  "hsl": {
    "h": 222.119,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53138,
    "c": 0.17181,
    "h": 264.1
  },
  "luminance": 0.14383
}

Semantic roles & 50–950 ramp

primary

#3764CE

secondary

#D2BE8F

accent

#B444E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3764CE

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

Preview Lab → · Contrast checker → · Palette generator →