#3B6DD3#3B6DD3

#3B6DD3 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.5% C 0.167 H 262.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3B6DD3
RGB	rgb(59, 109, 211)
HSL	hsl(220, 63%, 53%)
HSV	hsv(220, 72%, 83%)
CMYK	cmyk(72%, 48.3%, 0%, 17.3%)
CIE-LAB	lab(47.71, 17.87, -57.52)
CIE-LCH	lch(47.71, 60.23, 287.26°)
OKLab	oklab(55.53% -0.0214 -0.1651)
OKLCH	oklch(55.53% 0.167 262.6)
XYZ	xyz(19.0260, 16.5682, 63.8107)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6DD3 #D3A13B

analogous

#3BB9D3 #3B6DD3 #553BD3

triadic

#3B6DD3 #D33B6D #6DD33B

tetradic

#3B6DD3 #D33BB9 #D3A13B #3BD355

square

#3B6DD3 #D33BB9 #D3A13B #3BD355

split-complementary

#3B6DD3 #D3553B #B9D33B

monochromatic

#1B3A79 #2652AB #3B6DD3 #6D92DE #9FB7E9

Accessibility & contrast

On white

4.87

#3B6DD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3B6DD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6DD3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6DD3	#FFFFFF	#000000	##FFFFFF
##3B6DD3	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3479D7

Deuteranopia (green-blind)

#006BD1

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b6dd3;
/* rgb */ color: rgb(59, 109, 211);
/* oklch */ color: oklch(55.5% 0.167 262.6);

Tailwind

colors: {
  custom: {
    50: '#8496e1',
    500: '#3b6dd3',
    950: '#000000',
  },
}

SCSS

$custom: #3b6dd3;
$custom-light: #8496e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6dd3",
  "rgb": {
    "r": 59,
    "g": 109,
    "b": 211
  },
  "hsl": {
    "h": 220.263,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55527,
    "c": 0.1665,
    "h": 262.6
  },
  "luminance": 0.1657
}

Semantic roles & 50–950 ramp

primary

#3B6DD3

secondary

#D6C094

accent

#B041E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6DD3

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

Preview Lab → · Contrast checker → · Palette generator →