#3769D4#3769D4

#3769D4 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.6% C 0.174 H 263.1°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3769D4
RGB	rgb(55, 105, 212)
HSL	hsl(221, 65%, 52%)
HSV	hsv(221, 74%, 83%)
CMYK	cmyk(74.1%, 50.5%, 0%, 16.9%)
CIE-LAB	lab(46.53, 20.26, -60.00)
CIE-LCH	lch(46.53, 63.33, 288.66°)
OKLab	oklab(54.61% -0.021 -0.1725)
OKLCH	oklch(54.61% 0.174 263.1)
XYZ	xyz(18.5066, 15.6668, 64.3232)
Luminance	0.1567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769D4 #D4A237

analogous

#37B7D4 #3769D4 #5437D4

triadic

#3769D4 #D43769 #69D437

tetradic

#3769D4 #D437B7 #D4A237 #37D454

square

#3769D4 #D437B7 #D4A237 #37D454

split-complementary

#3769D4 #D45437 #B7D437

monochromatic

#1A3777 #244FA9 #3769D4 #698FDF #9CB5EA

Accessibility & contrast

On white

5.08

#3769D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3769D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769D4

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769D4	#FFFFFF	#000000	##FFFFFF
##3769D4	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2676D8

Deuteranopia (green-blind)

#0067D2

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3769d4;
/* rgb */ color: rgb(55, 105, 212);
/* oklch */ color: oklch(54.6% 0.174 263.1);

Tailwind

colors: {
  custom: {
    50: '#8393e2',
    500: '#3769d4',
    950: '#000000',
  },
}

SCSS

$custom: #3769d4;
$custom-light: #8393e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3769d4",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 212
  },
  "hsl": {
    "h": 220.892,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.54607,
    "c": 0.17381,
    "h": 263.1
  },
  "luminance": 0.15669
}

Semantic roles & 50–950 ramp

primary

#3769D4

secondary

#D6C091

accent

#B240E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3769D4

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

Preview Lab → · Contrast checker → · Palette generator →