#3B6DD0#3B6DD0

#3B6DD0 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.162 H 262.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B6DD0
RGB	rgb(59, 109, 208)
HSL	hsl(220, 61%, 52%)
HSV	hsv(220, 72%, 82%)
CMYK	cmyk(71.6%, 47.6%, 0%, 18.4%)
CIE-LAB	lab(47.52, 16.77, -56.12)
CIE-LCH	lch(47.52, 58.57, 286.64°)
OKLab	oklab(55.32% -0.0218 -0.161)
OKLCH	oklch(55.32% 0.162 262.3)
XYZ	xyz(18.6534, 16.4192, 61.8484)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6DD0 #D09E3B

analogous

#3BB7D0 #3B6DD0 #543BD0

triadic

#3B6DD0 #D03B6D #6DD03B

tetradic

#3B6DD0 #D03BB7 #D09E3B #3BD054

square

#3B6DD0 #D03BB7 #D09E3B #3BD054

split-complementary

#3B6DD0 #D0543B #B7D03B

monochromatic

#1C3A75 #2852A6 #3B6DD0 #6C92DC #9EB7E8

Accessibility & contrast

On white

4.90

#3B6DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3B6DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6DD0

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6DD0	#FFFFFF	#000000	##FFFFFF
##3B6DD0	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3778D4

Deuteranopia (green-blind)

#0D6ACE

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b6dd0;
/* rgb */ color: rgb(59, 109, 208);
/* oklch */ color: oklch(55.3% 0.162 262.3);

Tailwind

colors: {
  custom: {
    50: '#8396df',
    500: '#3b6dd0',
    950: '#000000',
  },
}

SCSS

$custom: #3b6dd0;
$custom-light: #8396df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6dd0",
  "rgb": {
    "r": 59,
    "g": 109,
    "b": 208
  },
  "hsl": {
    "h": 219.866,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55319,
    "c": 0.16246,
    "h": 262.3
  },
  "luminance": 0.16421
}

Semantic roles & 50–950 ramp

primary

#3B6DD0

secondary

#D4BE93

accent

#AE43E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6DD0

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

Preview Lab → · Contrast checker → · Palette generator →