#3B6FBC#3B6FBC

#3B6FBC is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.4% C 0.133 H 258.2°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3B6FBC
RGB	rgb(59, 111, 188)
HSL	hsl(216, 52%, 48%)
HSV	hsv(216, 69%, 74%)
CMYK	cmyk(68.6%, 41%, 0%, 26.3%)
CIE-LAB	lab(46.88, 8.24, -45.65)
CIE-LCH	lch(46.88, 46.39, 280.23°)
OKLab	oklab(54.44% -0.0273 -0.1302)
OKLCH	oklch(54.44% 0.133 258.2)
XYZ	xyz(16.5619, 15.9278, 49.7687)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6FBC #BC883B

analogous

#3BAFBC #3B6FBC #473BBC

triadic

#3B6FBC #BC3B6F #6FBC3B

tetradic

#3B6FBC #BC3BAF #BC883B #3BBC47

square

#3B6FBC #BC3BAF #BC883B #3BBC47

split-complementary

#3B6FBC #BC473B #AFBC3B

monochromatic

#1E385F #2C538D #3B6FBC #6590CF #94B2DD

Accessibility & contrast

On white

5.02

#3B6FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3B6FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6FBC

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6FBC	#FFFFFF	#000000	##FFFFFF
##3B6FBC	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B76BF

Deuteranopia (green-blind)

#376ABA

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3b6fbc;
/* rgb */ color: rgb(59, 111, 188);
/* oklch */ color: oklch(54.4% 0.133 258.2);

Tailwind

colors: {
  custom: {
    50: '#7f97d0',
    500: '#3b6fbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b6fbc;
$custom-light: #7f97d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6fbc",
  "rgb": {
    "r": 59,
    "g": 111,
    "b": 188
  },
  "hsl": {
    "h": 215.814,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54438,
    "c": 0.13301,
    "h": 258.2
  },
  "luminance": 0.1593
}

Semantic roles & 50–950 ramp

primary

#3B6FBC

secondary

#C9AF8A

accent

#A24CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3B6FBC

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

Preview Lab → · Contrast checker → · Palette generator →