#3769D7#3769D7

#3769D7 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.8% C 0.178 H 263.3°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3769D7
RGB	rgb(55, 105, 215)
HSL	hsl(221, 67%, 53%)
HSV	hsv(221, 74%, 84%)
CMYK	cmyk(74.4%, 51.2%, 0%, 15.7%)
CIE-LAB	lab(46.74, 21.36, -61.38)
CIE-LCH	lch(46.74, 64.99, 289.19°)
OKLab	oklab(54.83% -0.0207 -0.1766)
OKLCH	oklch(54.83% 0.178 263.3)
XYZ	xyz(18.8885, 15.8196, 66.3348)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769D7 #D7A537

analogous

#37B9D7 #3769D7 #5537D7

triadic

#3769D7 #D73769 #69D737

tetradic

#3769D7 #D737B9 #D7A537 #37D755

square

#3769D7 #D737B9 #D7A537 #37D755

split-complementary

#3769D7 #D75537 #B9D737

monochromatic

#19377B #234EAE #3769D7 #6A8FE1 #9DB5EB

Accessibility & contrast

On white

5.04

#3769D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#3769D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769D7

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769D7	#FFFFFF	#000000	##FFFFFF
##3769D7	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2177DB

Deuteranopia (green-blind)

#0068D5

Tritanopia (blue-blind)

#008396

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3769d7;
/* rgb */ color: rgb(55, 105, 215);
/* oklch */ color: oklch(54.8% 0.178 263.3);

Tailwind

colors: {
  custom: {
    50: '#8393e4',
    500: '#3769d7',
    950: '#000000',
  },
}

SCSS

$custom: #3769d7;
$custom-light: #8393e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3769d7",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 215
  },
  "hsl": {
    "h": 221.25,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54826,
    "c": 0.17781,
    "h": 263.3
  },
  "luminance": 0.15822
}

Semantic roles & 50–950 ramp

primary

#3769D7

secondary

#D7C292

accent

#B43EEA

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0D16

muted

#7D7D84

Preview Lab

Preview with #3769D7

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

Preview Lab → · Contrast checker → · Palette generator →