#3769C9#3769C9

#3769C9 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.8% C 0.159 H 261.9°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3769C9
RGB	rgb(55, 105, 201)
HSL	hsl(219, 57%, 50%)
HSV	hsv(219, 73%, 79%)
CMYK	cmyk(72.6%, 47.8%, 0%, 21.2%)
CIE-LAB	lab(45.81, 16.19, -54.86)
CIE-LCH	lch(45.81, 57.20, 286.44°)
OKLab	oklab(53.83% -0.0224 -0.1574)
OKLCH	oklch(53.83% 0.159 261.9)
XYZ	xyz(17.1660, 15.1306, 57.2628)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769C9 #C99737

analogous

#37B2C9 #3769C9 #4E37C9

triadic

#3769C9 #C93769 #69C937

tetradic

#3769C9 #C937B2 #C99737 #37C94E

square

#3769C9 #C937B2 #C99737 #37C94E

split-complementary

#3769C9 #C94E37 #B2C937

monochromatic

#1C3769 #295099 #3769C9 #678DD6 #97B1E3

Accessibility & contrast

On white

5.22

#3769C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3769C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769C9

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769C9	#FFFFFF	#000000	##FFFFFF
##3769C9	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3474CD

Deuteranopia (green-blind)

#0866C7

Tritanopia (blue-blind)

#00808F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3769c9;
/* rgb */ color: rgb(55, 105, 201);
/* oklch */ color: oklch(53.8% 0.159 261.9);

Tailwind

colors: {
  custom: {
    50: '#8093da',
    500: '#3769c9',
    950: '#000000',
  },
}

SCSS

$custom: #3769c9;
$custom-light: #8093da;
$custom-dark: #000000;

JSON

{
  "hex": "#3769c9",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 201
  },
  "hsl": {
    "h": 219.452,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.53825,
    "c": 0.15902,
    "h": 261.9
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary

#3769C9

secondary

#CFB88D

accent

#AC47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3769C9

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

Preview Lab → · Contrast checker → · Palette generator →