#3B6DD5#3B6DD5

#3B6DD5 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.7% C 0.169 H 262.8°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3B6DD5
RGB	rgb(59, 109, 213)
HSL	hsl(221, 65%, 53%)
HSV	hsv(221, 72%, 84%)
CMYK	cmyk(72.3%, 48.8%, 0%, 16.5%)
CIE-LAB	lab(47.84, 18.60, -58.45)
CIE-LCH	lch(47.84, 61.34, 287.65°)
OKLab	oklab(55.67% -0.0211 -0.1679)
OKLCH	oklch(55.67% 0.169 262.8)
XYZ	xyz(19.2782, 16.6691, 65.1393)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6DD5 #D5A33B

analogous

#3BBAD5 #3B6DD5 #563BD5

triadic

#3B6DD5 #D53B6D #6DD53B

tetradic

#3B6DD5 #D53BBA #D5A33B #3BD556

square

#3B6DD5 #D53BBA #D5A33B #3BD556

split-complementary

#3B6DD5 #D5563B #BAD53B

monochromatic

#1A3A7B #2551AE #3B6DD5 #6D93E0 #A0B8EB

Accessibility & contrast

On white

4.85

#3B6DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3B6DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6DD5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6DD5	#FFFFFF	#000000	##FFFFFF
##3B6DD5	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3279D9

Deuteranopia (green-blind)

#006BD3

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3b6dd5;
/* rgb */ color: rgb(59, 109, 213);
/* oklch */ color: oklch(55.7% 0.169 262.8);

Tailwind

colors: {
  custom: {
    50: '#8496e3',
    500: '#3b6dd5',
    950: '#000000',
  },
}

SCSS

$custom: #3b6dd5;
$custom-light: #8496e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6dd5",
  "rgb": {
    "r": 59,
    "g": 109,
    "b": 213
  },
  "hsl": {
    "h": 220.519,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.16918,
    "h": 262.8
  },
  "luminance": 0.16671
}

Semantic roles & 50–950 ramp

primary

#3B6DD5

secondary

#D7C295

accent

#B140E8

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6DD5

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

Preview Lab → · Contrast checker → · Palette generator →