#3B70D3#3B70D3

#3B70D3 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.2% C 0.163 H 261.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3B70D3
RGB	rgb(59, 112, 211)
HSL	hsl(219, 63%, 53%)
HSV	hsv(219, 72%, 83%)
CMYK	cmyk(72%, 46.9%, 0%, 17.3%)
CIE-LAB	lab(48.53, 15.98, -56.20)
CIE-LCH	lch(48.53, 58.42, 285.87°)
OKLab	oklab(56.16% -0.0239 -0.1612)
OKLCH	oklch(56.16% 0.163 261.6)
XYZ	xyz(19.3515, 17.2192, 63.9192)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70D3 #D39E3B

analogous

#3BBCD3 #3B70D3 #523BD3

triadic

#3B70D3 #D33B70 #70D33B

tetradic

#3B70D3 #D33BBC #D39E3B #3BD352

square

#3B70D3 #D33BBC #D39E3B #3BD352

split-complementary

#3B70D3 #D3523B #BCD33B

monochromatic

#1B3C79 #2654AB #3B70D3 #6D94DE #9FB9E9

Accessibility & contrast

On white

4.73

#3B70D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3B70D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70D3

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70D3	#FFFFFF	#000000	##FFFFFF
##3B70D3	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7BD7

Deuteranopia (green-blind)

#146DD1

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b70d3;
/* rgb */ color: rgb(59, 112, 211);
/* oklch */ color: oklch(56.2% 0.163 261.6);

Tailwind

colors: {
  custom: {
    50: '#8498e1',
    500: '#3b70d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b70d3;
$custom-light: #8498e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70d3",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 211
  },
  "hsl": {
    "h": 219.079,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56159,
    "c": 0.16294,
    "h": 261.6
  },
  "luminance": 0.17221
}

Semantic roles & 50–950 ramp

primary

#3B70D3

secondary

#D6BF94

accent

#AD41E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B70D3

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

Preview Lab → · Contrast checker → · Palette generator →