#3769BD#3769BD

#3769BD is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.0% C 0.143 H 260.1°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3769BD
RGB	rgb(55, 105, 189)
HSL	hsl(218, 55%, 48%)
HSV	hsv(218, 71%, 74%)
CMYK	cmyk(70.9%, 44.4%, 0%, 25.9%)
CIE-LAB	lab(45.06, 11.77, -49.14)
CIE-LCH	lch(45.06, 50.53, 283.47°)
OKLab	oklab(53.01% -0.0244 -0.1406)
OKLCH	oklch(53.01% 0.143 260.1)
XYZ	xyz(15.8091, 14.5878, 50.1168)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3769BD #BD8B37

analogous

#37ACBD #3769BD #4837BD

triadic

#3769BD #BD3769 #69BD37

tetradic

#3769BD #BD37AC #BD8B37 #37BD48

square

#3769BD #BD37AC #BD8B37 #37BD48

split-complementary

#3769BD #BD4837 #ACBD37

monochromatic

#1B345E #294F8E #3769BD #608AD1 #90ADDF

Accessibility & contrast

On white

5.36

#3769BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3769BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769BD

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3769BD	#FFFFFF	#000000	##FFFFFF
##3769BD	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F71C0

Deuteranopia (green-blind)

#2665BB

Tritanopia (blue-blind)

#007D8A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3769bd;
/* rgb */ color: rgb(55, 105, 189);
/* oklch */ color: oklch(53.0% 0.143 260.1);

Tailwind

colors: {
  custom: {
    50: '#7e93d1',
    500: '#3769bd',
    950: '#000000',
  },
}

SCSS

$custom: #3769bd;
$custom-light: #7e93d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3769bd",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 189
  },
  "hsl": {
    "h": 217.612,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53009,
    "c": 0.1427,
    "h": 260.1
  },
  "luminance": 0.14589
}

Semantic roles & 50–950 ramp

primary

#3769BD

secondary

#C9B086

accent

#A74ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3769BD

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

Preview Lab → · Contrast checker → · Palette generator →