#3B6CD2#3B6CD2

#3B6CD2 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.2% C 0.166 H 262.9°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B6CD2
RGB	rgb(59, 108, 210)
HSL	hsl(221, 63%, 53%)
HSV	hsv(221, 72%, 82%)
CMYK	cmyk(71.9%, 48.6%, 0%, 17.6%)
CIE-LAB	lab(47.37, 18.14, -57.50)
CIE-LCH	lch(47.37, 60.29, 287.51°)
OKLab	oklab(55.25% -0.0207 -0.1651)
OKLCH	oklch(55.25% 0.166 262.9)
XYZ	xyz(18.7949, 16.3061, 63.1171)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6CD2 #D2A13B

analogous

#3BB7D2 #3B6CD2 #553BD2

triadic

#3B6CD2 #D23B6C #6CD23B

tetradic

#3B6CD2 #D23BB7 #D2A13B #3BD255

square

#3B6CD2 #D23BB7 #D2A13B #3BD255

split-complementary

#3B6CD2 #D2553B #B7D23B

monochromatic

#1B3977 #2751A9 #3B6CD2 #6D91DD #9FB7E9

Accessibility & contrast

On white

4.93

#3B6CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3B6CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6CD2

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6CD2	#FFFFFF	#000000	##FFFFFF
##3B6CD2	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3278D6

Deuteranopia (green-blind)

#006AD0

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3b6cd2;
/* rgb */ color: rgb(59, 108, 210);
/* oklch */ color: oklch(55.2% 0.166 262.9);

Tailwind

colors: {
  custom: {
    50: '#8495e0',
    500: '#3b6cd2',
    950: '#000000',
  },
}

SCSS

$custom: #3b6cd2;
$custom-light: #8495e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6cd2",
  "rgb": {
    "r": 59,
    "g": 108,
    "b": 210
  },
  "hsl": {
    "h": 220.53,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55248,
    "c": 0.16635,
    "h": 262.9
  },
  "luminance": 0.16308
}

Semantic roles & 50–950 ramp

primary

#3B6CD2

secondary

#D5C094

accent

#B142E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6CD2

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

Preview Lab → · Contrast checker → · Palette generator →