#3B70D1#3B70D1

#3B70D1 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.160 H 261.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#3B70D1
RGBrgb(59, 112, 209)
HSLhsl(219, 62%, 53%)
HSVhsv(219, 72%, 82%)
CMYKcmyk(71.8%, 46.4%, 0%, 18%)
CIE-LABlab(48.41, 15.25, -55.26)
CIE-LCHlch(48.41, 57.32, 285.43°)
OKLaboklab(56.02% -0.0242 -0.1584)
OKLCHoklch(56.02% 0.16 261.3)
XYZxyz(19.1023, 17.1195, 62.6069)
Luminance0.1712 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B70D1 #D19C3B
analogous
#3BBBD1 #3B70D1 #513BD1
triadic
#3B70D1 #D13B70 #70D13B
tetradic
#3B70D1 #D13BBB #D19C3B #3BD151
square
#3B70D1 #D13BBB #D19C3B #3BD151
split-complementary
#3B70D1 #D1513B #BBD13B
monochromatic
#1C3C76 #2755A7 #3B70D1 #6D94DD #9EB8E8

Accessibility & contrast

On white

4.75
#3B70D1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.42
#3B70D1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70D1
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B70D1#FFFFFF#000000##FFFFFF
##3B70D11.004.754.424.75
#FFFFFF4.751.0021.001.00
#0000004.4221.001.0021.00
##FFFFFF4.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D7AD5
Deuteranopia (green-blind)
#1A6DCF
Tritanopia (blue-blind)
#008796
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3b70d1;
/* rgb */ color: rgb(59, 112, 209);
/* oklch */ color: oklch(56.0% 0.160 261.3);
Tailwind
colors: {
  custom: {
    50: '#8398e0',
    500: '#3b70d1',
    950: '#000000',
  },
}
SCSS
$custom: #3b70d1;
$custom-light: #8398e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3b70d1",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 209
  },
  "hsl": {
    "h": 218.8,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56023,
    "c": 0.16026,
    "h": 261.3
  },
  "luminance": 0.17122
}

Semantic roles & 50–950 ramp

primary
#3B70D1
secondary
#D4BD93
accent
#AC43E5
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3B70D1

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

Preview Lab → · Contrast checker → · Palette generator →

#3B70D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva