#3B6FD3#3B6FD3

#3B6FD3 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.164 H 261.9°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B6FD3
RGB	rgb(59, 111, 211)
HSL	hsl(219, 63%, 53%)
HSV	hsv(219, 72%, 83%)
CMYK	cmyk(72%, 47.4%, 0%, 17.3%)
CIE-LAB	lab(48.26, 16.61, -56.64)
CIE-LCH	lch(48.26, 59.02, 286.34°)
OKLab	oklab(55.95% -0.0231 -0.1625)
OKLCH	oklch(55.95% 0.164 261.9)
XYZ	xyz(19.2417, 16.9998, 63.8826)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6FD3 #D39F3B

analogous

#3BBBD3 #3B6FD3 #533BD3

triadic

#3B6FD3 #D33B6F #6FD33B

tetradic

#3B6FD3 #D33BBB #D39F3B #3BD353

square

#3B6FD3 #D33BBB #D39F3B #3BD353

split-complementary

#3B6FD3 #D3533B #BBD33B

monochromatic

#1B3B79 #2654AB #3B6FD3 #6D94DE #9FB8E9

Accessibility & contrast

On white

4.77

#3B6FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3B6FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6FD3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6FD3	#FFFFFF	#000000	##FFFFFF
##3B6FD3	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#397AD7

Deuteranopia (green-blind)

#0E6CD1

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b6fd3;
/* rgb */ color: rgb(59, 111, 211);
/* oklch */ color: oklch(55.9% 0.164 261.9);

Tailwind

colors: {
  custom: {
    50: '#8497e1',
    500: '#3b6fd3',
    950: '#000000',
  },
}

SCSS

$custom: #3b6fd3;
$custom-light: #8497e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6fd3",
  "rgb": {
    "r": 59,
    "g": 111,
    "b": 211
  },
  "hsl": {
    "h": 219.474,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55947,
    "c": 0.16412,
    "h": 261.9
  },
  "luminance": 0.17002
}

Semantic roles & 50–950 ramp

primary

#3B6FD3

secondary

#D6BF94

accent

#AE41E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6FD3

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

Preview Lab → · Contrast checker → · Palette generator →