#3769DA#3769DA

#3769DA is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.0% C 0.182 H 263.6°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3769DA
RGB	rgb(55, 105, 218)
HSL	hsl(222, 69%, 54%)
HSV	hsv(222, 75%, 85%)
CMYK	cmyk(74.8%, 51.8%, 0%, 14.5%)
CIE-LAB	lab(46.94, 22.47, -62.75)
CIE-LCH	lch(46.94, 66.66, 289.70°)
OKLab	oklab(55.05% -0.0203 -0.1807)
OKLCH	oklch(55.05% 0.182 263.6)
XYZ	xyz(19.2775, 15.9752, 68.3836)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769DA #DAA837

analogous

#37BADA #3769DA #5637DA

triadic

#3769DA #DA3769 #69DA37

tetradic

#3769DA #DA37BA #DAA837 #37DA56

square

#3769DA #DA37BA #DAA837 #37DA56

split-complementary

#3769DA #DA5637 #BADA37

monochromatic

#18377F #214EB3 #3769DA #6B90E4 #9EB6ED

Accessibility & contrast

On white

5.01

#3769DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3769DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769DA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769DA	#FFFFFF	#000000	##FFFFFF
##3769DA	1.00	5.01	4.20	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B77DE

Deuteranopia (green-blind)

#0068D8

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3769da;
/* rgb */ color: rgb(55, 105, 218);
/* oklch */ color: oklch(55.0% 0.182 263.6);

Tailwind

colors: {
  custom: {
    50: '#8493e6',
    500: '#3769da',
    950: '#000000',
  },
}

SCSS

$custom: #3769da;
$custom-light: #8493e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3769da",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 218
  },
  "hsl": {
    "h": 221.595,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55047,
    "c": 0.1818,
    "h": 263.6
  },
  "luminance": 0.15977
}

Semantic roles & 50–950 ramp

primary

#3769DA

secondary

#D9C493

accent

#B63CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0D16

muted

#7D7D84

Preview Lab

Preview with #3769DA

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

Preview Lab → · Contrast checker → · Palette generator →