#3769BF#3769BF

#3769BF is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.1% C 0.145 H 260.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3769BF
RGB	rgb(55, 105, 191)
HSL	hsl(218, 55%, 48%)
HSV	hsv(218, 71%, 75%)
CMYK	cmyk(71.2%, 45%, 0%, 25.1%)
CIE-LAB	lab(45.19, 12.50, -50.10)
CIE-LCH	lch(45.19, 51.64, 284.01°)
OKLab	oklab(53.14% -0.0241 -0.1434)
OKLCH	oklch(53.14% 0.145 260.5)
XYZ	xyz(16.0277, 14.6753, 51.2680)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769BF #BF8D37

analogous

#37ADBF #3769BF #4937BF

triadic

#3769BF #BF3769 #69BF37

tetradic

#3769BF #BF37AD #BF8D37 #37BF49

square

#3769BF #BF37AD #BF8D37 #37BF49

split-complementary

#3769BF #BF4937 #ADBF37

monochromatic

#1C3560 #294F8F #3769BF #628BD2 #91AEDF

Accessibility & contrast

On white

5.34

#3769BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#3769BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769BF

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769BF	#FFFFFF	#000000	##FFFFFF
##3769BF	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E72C2

Deuteranopia (green-blind)

#2365BD

Tritanopia (blue-blind)

#007D8B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3769bf;
/* rgb */ color: rgb(55, 105, 191);
/* oklch */ color: oklch(53.1% 0.145 260.5);

Tailwind

colors: {
  custom: {
    50: '#7e93d3',
    500: '#3769bf',
    950: '#000000',
  },
}

SCSS

$custom: #3769bf;
$custom-light: #7e93d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3769bf",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 191
  },
  "hsl": {
    "h": 217.941,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53142,
    "c": 0.14543,
    "h": 260.5
  },
  "luminance": 0.14677
}

Semantic roles & 50–950 ramp

primary

#3769BF

secondary

#CAB288

accent

#A849DF

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3769BF

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

Preview Lab → · Contrast checker → · Palette generator →