#3769C8#3769C8

#3769C8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.8% C 0.158 H 261.8°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3769C8
RGB	rgb(55, 105, 200)
HSL	hsl(219, 57%, 50%)
HSV	hsv(219, 73%, 78%)
CMYK	cmyk(72.5%, 47.5%, 0%, 21.6%)
CIE-LAB	lab(45.75, 15.82, -54.39)
CIE-LCH	lch(45.75, 56.65, 286.22°)
OKLab	oklab(53.76% -0.0226 -0.156)
OKLCH	oklch(53.76% 0.158 261.8)
XYZ	xyz(17.0487, 15.0837, 56.6453)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769C8 #C89637

analogous

#37B2C8 #3769C8 #4D37C8

triadic

#3769C8 #C83769 #69C837

tetradic

#3769C8 #C837B2 #C89637 #37C84D

square

#3769C8 #C837B2 #C89637 #37C84D

split-complementary

#3769C8 #C84D37 #B2C837

monochromatic

#1D3768 #2A5098 #3769C8 #678DD5 #97B1E2

Accessibility & contrast

On white

5.23

#3769C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3769C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769C8

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769C8	#FFFFFF	#000000	##FFFFFF
##3769C8	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3573CC

Deuteranopia (green-blind)

#0D66C6

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3769c8;
/* rgb */ color: rgb(55, 105, 200);
/* oklch */ color: oklch(53.8% 0.158 261.8);

Tailwind

colors: {
  custom: {
    50: '#8093d9',
    500: '#3769c8',
    950: '#000000',
  },
}

SCSS

$custom: #3769c8;
$custom-light: #8093d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3769c8",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 200
  },
  "hsl": {
    "h": 219.31,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.53755,
    "c": 0.15767,
    "h": 261.8
  },
  "luminance": 0.15086
}

Semantic roles & 50–950 ramp

primary

#3769C8

secondary

#CEB78D

accent

#AC48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3769C8

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

Preview Lab → · Contrast checker → · Palette generator →