#3769C4#3769C4

#3769C4 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.5% C 0.152 H 261.2°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3769C4
RGB	rgb(55, 105, 196)
HSL	hsl(219, 56%, 49%)
HSV	hsv(219, 72%, 77%)
CMYK	cmyk(71.9%, 46.4%, 0%, 23.1%)
CIE-LAB	lab(45.50, 14.35, -52.49)
CIE-LCH	lch(45.50, 54.42, 285.29°)
OKLab	oklab(53.48% -0.0232 -0.1505)
OKLCH	oklch(53.48% 0.152 261.2)
XYZ	xyz(16.5874, 14.8991, 54.2155)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769C4 #C49237

analogous

#37B0C4 #3769C4 #4B37C4

triadic

#3769C4 #C43769 #69C437

tetradic

#3769C4 #C437B0 #C49237 #37C44B

square

#3769C4 #C437B0 #C49237 #37C44B

split-complementary

#3769C4 #C44B37 #B0C437

monochromatic

#1C3664 #2A4F94 #3769C4 #658CD4 #94B0E1

Accessibility & contrast

On white

5.28

#3769C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3769C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769C4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769C4	#FFFFFF	#000000	##FFFFFF
##3769C4	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3973C7

Deuteranopia (green-blind)

#1966C2

Tritanopia (blue-blind)

#007E8D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3769c4;
/* rgb */ color: rgb(55, 105, 196);
/* oklch */ color: oklch(53.5% 0.152 261.2);

Tailwind

colors: {
  custom: {
    50: '#7f93d6',
    500: '#3769c4',
    950: '#000000',
  },
}

SCSS

$custom: #3769c4;
$custom-light: #7f93d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3769c4",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 196
  },
  "hsl": {
    "h": 218.723,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5348,
    "c": 0.15224,
    "h": 261.2
  },
  "luminance": 0.14901
}

Semantic roles & 50–950 ramp

primary

#3769C4

secondary

#CCB58B

accent

#AA48DF

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3769C4

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

Preview Lab → · Contrast checker → · Palette generator →