#3764D0#3764D0

#3764D0 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.174 H 264.3°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3764D0
RGB	rgb(55, 100, 208)
HSL	hsl(222, 62%, 52%)
HSV	hsv(222, 74%, 82%)
CMYK	cmyk(73.6%, 51.9%, 0%, 18.4%)
CIE-LAB	lab(44.91, 21.97, -60.33)
CIE-LCH	lch(44.91, 64.21, 290.01°)
OKLab	oklab(53.29% -0.0175 -0.1736)
OKLCH	oklch(53.29% 0.175 264.3)
XYZ	xyz(17.5139, 14.4787, 61.5339)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764D0 #D0A337

analogous

#37B1D0 #3764D0 #5737D0

triadic

#3764D0 #D03764 #64D037

tetradic

#3764D0 #D037B1 #D0A337 #37D057

square

#3764D0 #D037B1 #D0A337 #37D057

split-complementary

#3764D0 #D05737 #B1D037

monochromatic

#1B3472 #264BA3 #3764D0 #698ADC #9AB1E7

Accessibility & contrast

On white

5.39

#3764D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3764D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764D0

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764D0	#FFFFFF	#000000	##FFFFFF
##3764D0	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B72D4

Deuteranopia (green-blind)

#0064CE

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3764d0;
/* rgb */ color: rgb(55, 100, 208);
/* oklch */ color: oklch(53.3% 0.174 264.3);

Tailwind

colors: {
  custom: {
    50: '#828fdf',
    500: '#3764d0',
    950: '#000000',
  },
}

SCSS

$custom: #3764d0;
$custom-light: #828fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3764d0",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 208
  },
  "hsl": {
    "h": 222.353,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53286,
    "c": 0.1745,
    "h": 264.3
  },
  "luminance": 0.14481
}

Semantic roles & 50–950 ramp

primary

#3764D0

secondary

#D3BF90

accent

#B543E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3764D0

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

Preview Lab → · Contrast checker → · Palette generator →