#3768D0#3768D0

#3768D0 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.1% C 0.170 H 263.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3768D0
RGB	rgb(55, 104, 208)
HSL	hsl(221, 62%, 52%)
HSV	hsv(221, 74%, 82%)
CMYK	cmyk(73.6%, 50%, 0%, 18.4%)
CIE-LAB	lab(45.99, 19.42, -58.58)
CIE-LCH	lch(45.99, 61.72, 288.34°)
OKLab	oklab(54.11% -0.0207 -0.1684)
OKLCH	oklch(54.11% 0.17 263)
XYZ	xyz(17.9070, 15.2650, 61.6650)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768D0 #D09F37

analogous

#37B5D0 #3768D0 #5337D0

triadic

#3768D0 #D03768 #68D037

tetradic

#3768D0 #D037B5 #D09F37 #37D053

square

#3768D0 #D037B5 #D09F37 #37D053

split-complementary

#3768D0 #D05337 #B5D037

monochromatic

#1B3772 #264EA3 #3768D0 #698DDC #9AB3E7

Accessibility & contrast

On white

5.18

#3768D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#3768D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768D0

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768D0	#FFFFFF	#000000	##FFFFFF
##3768D0	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2974D4

Deuteranopia (green-blind)

#0066CE

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3768d0;
/* rgb */ color: rgb(55, 104, 208);
/* oklch */ color: oklch(54.1% 0.170 263.0);

Tailwind

colors: {
  custom: {
    50: '#8292df',
    500: '#3768d0',
    950: '#000000',
  },
}

SCSS

$custom: #3768d0;
$custom-light: #8292df;
$custom-dark: #000000;

JSON

{
  "hex": "#3768d0",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 208
  },
  "hsl": {
    "h": 220.784,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5411,
    "c": 0.16966,
    "h": 263
  },
  "luminance": 0.15267
}

Semantic roles & 50–950 ramp

primary

#3768D0

secondary

#D3BD90

accent

#B143E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3768D0

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

Preview Lab → · Contrast checker → · Palette generator →