#3B6FD1#3B6FD1

#3B6FD1 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.161 H 261.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B6FD1
RGB	rgb(59, 111, 209)
HSL	hsl(219, 62%, 53%)
HSV	hsv(219, 72%, 82%)
CMYK	cmyk(71.8%, 46.9%, 0%, 18%)
CIE-LAB	lab(48.13, 15.88, -55.70)
CIE-LCH	lch(48.13, 57.92, 285.91°)
OKLab	oklab(55.81% -0.0234 -0.1597)
OKLCH	oklch(55.81% 0.161 261.7)
XYZ	xyz(18.9926, 16.9001, 62.5703)
Luminance	0.1690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6FD1 #D19D3B

analogous

#3BBAD1 #3B6FD1 #523BD1

triadic

#3B6FD1 #D13B6F #6FD13B

tetradic

#3B6FD1 #D13BBA #D19D3B #3BD152

square

#3B6FD1 #D13BBA #D19D3B #3BD152

split-complementary

#3B6FD1 #D1523B #BAD13B

monochromatic

#1C3B76 #2754A7 #3B6FD1 #6D93DD #9EB8E8

Accessibility & contrast

On white

4.79

#3B6FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3B6FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6FD1

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6FD1	#FFFFFF	#000000	##FFFFFF
##3B6FD1	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7AD5

Deuteranopia (green-blind)

#156CCF

Tritanopia (blue-blind)

#008696

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3b6fd1;
/* rgb */ color: rgb(59, 111, 209);
/* oklch */ color: oklch(55.8% 0.161 261.7);

Tailwind

colors: {
  custom: {
    50: '#8397e0',
    500: '#3b6fd1',
    950: '#000000',
  },
}

SCSS

$custom: #3b6fd1;
$custom-light: #8397e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6fd1",
  "rgb": {
    "r": 59,
    "g": 111,
    "b": 209
  },
  "hsl": {
    "h": 219.2,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55811,
    "c": 0.16143,
    "h": 261.7
  },
  "luminance": 0.16902
}

Semantic roles & 50–950 ramp

primary

#3B6FD1

secondary

#D4BE93

accent

#AD43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6FD1

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

Preview Lab → · Contrast checker → · Palette generator →