#3776DD#3776DD

#3776DD is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.0% C 0.170 H 259.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3776DD
RGB	rgb(55, 118, 221)
HSL	hsl(217, 71%, 54%)
HSV	hsv(217, 75%, 87%)
CMYK	cmyk(75.1%, 46.6%, 0%, 13.3%)
CIE-LAB	lab(50.67, 15.37, -58.44)
CIE-LCH	lch(50.67, 60.42, 284.74°)
OKLab	oklab(57.96% -0.0302 -0.1677)
OKLCH	oklch(57.96% 0.17 259.8)
XYZ	xyz(21.1004, 18.9872, 70.9454)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3776DD #DD9E37

analogous

#37C9DD #3776DD #4B37DD

triadic

#3776DD #DD3776 #76DD37

tetradic

#3776DD #DD37C9 #DD9E37 #37DD4B

square

#3776DD #DD37C9 #DD9E37 #37DD4B

split-complementary

#3776DD #DD4B37 #C9DD37

monochromatic

#164083 #1F59B8 #3776DD #6B9AE6 #A0BEEF

Accessibility & contrast

On white

4.38

#3776DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#3776DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3776DD

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3776DD	#FFFFFF	#000000	##000000
##3776DD	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E81E1

Deuteranopia (green-blind)

#1072DB

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3776dd;
/* rgb */ color: rgb(55, 118, 221);
/* oklch */ color: oklch(58.0% 0.170 259.8);

Tailwind

colors: {
  custom: {
    50: '#849ce8',
    500: '#3776dd',
    950: '#000000',
  },
}

SCSS

$custom: #3776dd;
$custom-light: #849ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#3776dd",
  "rgb": {
    "r": 55,
    "g": 118,
    "b": 221
  },
  "hsl": {
    "h": 217.229,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57962,
    "c": 0.1704,
    "h": 259.8
  },
  "luminance": 0.1899
}

Semantic roles & 50–950 ramp

primary

#3776DD

secondary

#DBC095

accent

#AA3AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3776DD

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

Preview Lab → · Contrast checker → · Palette generator →