#3B6CD4#3B6CD4

#3B6CD4 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.169 H 263.1°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B6CD4
RGB	rgb(59, 108, 212)
HSL	hsl(221, 64%, 53%)
HSV	hsv(221, 72%, 83%)
CMYK	cmyk(72.2%, 49.1%, 0%, 16.9%)
CIE-LAB	lab(47.50, 18.87, -58.43)
CIE-LCH	lch(47.50, 61.40, 287.90°)
OKLab	oklab(55.39% -0.0204 -0.1678)
OKLCH	oklch(55.39% 0.169 263.1)
XYZ	xyz(19.0456, 16.4064, 64.4376)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6CD4 #D4A33B

analogous

#3BB9D4 #3B6CD4 #563BD4

triadic

#3B6CD4 #D43B6C #6CD43B

tetradic

#3B6CD4 #D43BB9 #D4A33B #3BD456

square

#3B6CD4 #D43BB9 #D4A33B #3BD456

split-complementary

#3B6CD4 #D4563B #B9D43B

monochromatic

#1B397A #2651AC #3B6CD4 #6D92DF #9FB7EA

Accessibility & contrast

On white

4.90

#3B6CD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3B6CD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6CD4

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6CD4	#FFFFFF	#000000	##FFFFFF
##3B6CD4	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)

#3078D8

Deuteranopia (green-blind)

#006AD2

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b6cd4;
/* rgb */ color: rgb(59, 108, 212);
/* oklch */ color: oklch(55.4% 0.169 263.1);

Tailwind

colors: {
  custom: {
    50: '#8495e2',
    500: '#3b6cd4',
    950: '#000000',
  },
}

SCSS

$custom: #3b6cd4;
$custom-light: #8495e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6cd4",
  "rgb": {
    "r": 59,
    "g": 108,
    "b": 212
  },
  "hsl": {
    "h": 220.784,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55389,
    "c": 0.16904,
    "h": 263.1
  },
  "luminance": 0.16408
}

Semantic roles & 50–950 ramp

primary

#3B6CD4

secondary

#D6C194

accent

#B241E7

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6CD4

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

Preview Lab → · Contrast checker → · Palette generator →