#3776D3#3776D3

#3776D3 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.157 H 258.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3776D3
RGB	rgb(55, 118, 211)
HSL	hsl(216, 64%, 52%)
HSV	hsv(216, 74%, 83%)
CMYK	cmyk(73.9%, 44.1%, 0%, 17.3%)
CIE-LAB	lab(50.06, 11.69, -53.75)
CIE-LCH	lch(50.06, 55.01, 282.27°)
OKLab	oklab(57.29% -0.0319 -0.1539)
OKLCH	oklch(57.29% 0.157 258.3)
XYZ	xyz(19.8076, 18.4700, 64.1365)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3776D3 #D39437

analogous

#37C4D3 #3776D3 #4637D3

triadic

#3776D3 #D33776 #76D337

tetradic

#3776D3 #D337C4 #D39437 #37D346

square

#3776D3 #D337C4 #D39437 #37D346

split-complementary

#3776D3 #D34637 #C4D337

monochromatic

#1A3F76 #255AA8 #3776D3 #6998DE #9BBBE9

Accessibility & contrast

On white

4.47

#3776D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3776D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3776D3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3776D3	#FFFFFF	#000000	##000000
##3776D3	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477FD7

Deuteranopia (green-blind)

#2870D1

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3776d3;
/* rgb */ color: rgb(55, 118, 211);
/* oklch */ color: oklch(57.3% 0.157 258.3);

Tailwind

colors: {
  custom: {
    50: '#829ce1',
    500: '#3776d3',
    950: '#000000',
  },
}

SCSS

$custom: #3776d3;
$custom-light: #829ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#3776d3",
  "rgb": {
    "r": 55,
    "g": 118,
    "b": 211
  },
  "hsl": {
    "h": 215.769,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57294,
    "c": 0.15721,
    "h": 258.3
  },
  "luminance": 0.18472
}

Semantic roles & 50–950 ramp

primary

#3776D3

secondary

#D5B991

accent

#A441E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3776D3

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

Preview Lab → · Contrast checker → · Palette generator →