#3B70D4#3B70D4

#3B70D4 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.164 H 261.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3B70D4
RGB	rgb(59, 112, 212)
HSL	hsl(219, 64%, 53%)
HSV	hsv(219, 72%, 83%)
CMYK	cmyk(72.2%, 47.2%, 0%, 16.9%)
CIE-LAB	lab(48.60, 16.34, -56.66)
CIE-LCH	lch(48.60, 58.97, 286.09°)
OKLab	oklab(56.23% -0.0238 -0.1625)
OKLCH	oklch(56.23% 0.164 261.7)
XYZ	xyz(19.4772, 17.2695, 64.5814)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70D4 #D49F3B

analogous

#3BBCD4 #3B70D4 #523BD4

triadic

#3B70D4 #D43B70 #70D43B

tetradic

#3B70D4 #D43BBC #D49F3B #3BD452

square

#3B70D4 #D43BBC #D49F3B #3BD452

split-complementary

#3B70D4 #D4523B #BCD43B

monochromatic

#1B3C7A #2654AC #3B70D4 #6D95DF #9FB9EA

Accessibility & contrast

On white

4.71

#3B70D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3B70D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70D4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70D4	#FFFFFF	#000000	##FFFFFF
##3B70D4	1.00	4.71	4.45	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7BD8

Deuteranopia (green-blind)

#116DD2

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b70d4;
/* rgb */ color: rgb(59, 112, 212);
/* oklch */ color: oklch(56.2% 0.164 261.7);

Tailwind

colors: {
  custom: {
    50: '#8498e2',
    500: '#3b70d4',
    950: '#000000',
  },
}

SCSS

$custom: #3b70d4;
$custom-light: #8498e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70d4",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 212
  },
  "hsl": {
    "h": 219.216,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56227,
    "c": 0.16428,
    "h": 261.7
  },
  "luminance": 0.17272
}

Semantic roles & 50–950 ramp

primary

#3B70D4

secondary

#D6C094

accent

#AD41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B70D4

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

Preview Lab → · Contrast checker → · Palette generator →