#3B6BD4#3B6BD4

#3B6BD4 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.2% C 0.170 H 263.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BD4
RGB	rgb(59, 107, 212)
HSL	hsl(221, 64%, 53%)
HSV	hsv(221, 72%, 83%)
CMYK	cmyk(72.2%, 49.5%, 0%, 16.9%)
CIE-LAB	lab(47.23, 19.50, -58.87)
CIE-LCH	lch(47.23, 62.01, 288.33°)
OKLab	oklab(55.18% -0.0196 -0.1691)
OKLCH	oklch(55.18% 0.17 263.4)
XYZ	xyz(18.9408, 16.1966, 64.4026)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BD4 #D4A43B

analogous

#3BB8D4 #3B6BD4 #573BD4

triadic

#3B6BD4 #D43B6B #6BD43B

tetradic

#3B6BD4 #D43BB8 #D4A43B #3BD457

square

#3B6BD4 #D43BB8 #D4A43B #3BD457

split-complementary

#3B6BD4 #D4573B #B8D43B

monochromatic

#1B397A #2650AC #3B6BD4 #6D91DF #9FB7EA

Accessibility & contrast

On white

4.95

#3B6BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3B6BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BD4

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BD4	#FFFFFF	#000000	##FFFFFF
##3B6BD4	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D77D8

Deuteranopia (green-blind)

#0069D2

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3b6bd4;
/* rgb */ color: rgb(59, 107, 212);
/* oklch */ color: oklch(55.2% 0.170 263.4);

Tailwind

colors: {
  custom: {
    50: '#8494e2',
    500: '#3b6bd4',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bd4;
$custom-light: #8494e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bd4",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 212
  },
  "hsl": {
    "h": 221.176,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55181,
    "c": 0.17024,
    "h": 263.4
  },
  "luminance": 0.16199
}

Semantic roles & 50–950 ramp

primary

#3B6BD4

secondary

#D6C294

accent

#B341E7

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6BD4

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

Preview Lab → · Contrast checker → · Palette generator →