#3B6FD5#3B6FD5

#3B6FD5 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.1% C 0.167 H 262.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B6FD5
RGB	rgb(59, 111, 213)
HSL	hsl(220, 65%, 53%)
HSV	hsv(220, 72%, 84%)
CMYK	cmyk(72.3%, 47.9%, 0%, 16.5%)
CIE-LAB	lab(48.39, 17.34, -57.57)
CIE-LCH	lch(48.39, 60.13, 286.76°)
OKLab	oklab(56.08% -0.0228 -0.1652)
OKLCH	oklch(56.08% 0.167 262.1)
XYZ	xyz(19.4940, 17.1007, 65.2113)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6FD5 #D5A13B

analogous

#3BBCD5 #3B6FD5 #543BD5

triadic

#3B6FD5 #D53B6F #6FD53B

tetradic

#3B6FD5 #D53BBC #D5A13B #3BD554

square

#3B6FD5 #D53BBC #D5A13B #3BD554

split-complementary

#3B6FD5 #D5543B #BCD53B

monochromatic

#1A3B7B #2553AE #3B6FD5 #6D94E0 #A0B9EB

Accessibility & contrast

On white

4.75

#3B6FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3B6FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6FD5

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6FD5	#FFFFFF	#000000	##FFFFFF
##3B6FD5	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377AD9

Deuteranopia (green-blind)

#046CD3

Tritanopia (blue-blind)

#008798

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b6fd5;
/* rgb */ color: rgb(59, 111, 213);
/* oklch */ color: oklch(56.1% 0.167 262.1);

Tailwind

colors: {
  custom: {
    50: '#8497e2',
    500: '#3b6fd5',
    950: '#000000',
  },
}

SCSS

$custom: #3b6fd5;
$custom-light: #8497e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6fd5",
  "rgb": {
    "r": 59,
    "g": 111,
    "b": 213
  },
  "hsl": {
    "h": 219.74,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56085,
    "c": 0.16681,
    "h": 262.1
  },
  "luminance": 0.17103
}

Semantic roles & 50–950 ramp

primary

#3B6FD5

secondary

#D7C195

accent

#AF40E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6FD5

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

Preview Lab → · Contrast checker → · Palette generator →