#4070DD#4070DD

#4070DD is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.175 H 263.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#4070DD
RGBrgb(64, 112, 221)
HSLhsl(222, 70%, 56%)
HSVhsv(222, 71%, 87%)
CMYKcmyk(71%, 49.3%, 0%, 13.3%)
CIE-LABlab(49.37, 20.29, -60.51)
CIE-LCHlch(49.37, 63.82, 288.53°)
OKLaboklab(57.06% -0.0187 -0.1738)
OKLCHoklch(57.06% 0.175 263.8)
XYZxyz(20.9551, 17.8966, 70.7426)
Luminance0.1790 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4070DD #DDAD40
analogous
#40BEDD #4070DD #5E40DD
triadic
#4070DD #DD4070 #70DD40
tetradic
#4070DD #DD40BE #DDAD40 #40DD5E
square
#4070DD #DD40BE #DDAD40 #40DD5E
split-complementary
#4070DD #DD5E40 #BEDD40
monochromatic
#193B8A #2252BE #4070DD #7497E6 #A8BEEF

Accessibility & contrast

On white

4.59
#4070DD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.58
#4070DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4070DD
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4070DD#FFFFFF#000000##FFFFFF
##4070DD1.004.594.584.59
#FFFFFF4.591.0021.001.00
#0000004.5821.001.0021.00
##FFFFFF4.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#317DE1
Deuteranopia (green-blind)
#006FDB
Tritanopia (blue-blind)
#008A9C
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #4070dd;
/* rgb */ color: rgb(64, 112, 221);
/* oklch */ color: oklch(57.1% 0.175 263.8);
Tailwind
colors: {
  custom: {
    50: '#8898e8',
    500: '#4070dd',
    950: '#000000',
  },
}
SCSS
$custom: #4070dd;
$custom-light: #8898e8;
$custom-dark: #000000;
JSON
{
  "hex": "#4070dd",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 221.656,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57057,
    "c": 0.1748,
    "h": 263.8
  },
  "luminance": 0.17899
}

Semantic roles & 50–950 ramp

primary
#4070DD
secondary
#DDC99C
accent
#B63BED
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0D16
muted
#7E7E84

Preview Lab

Preview with #4070DD

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

Preview Lab → · Contrast checker → · Palette generator →

#4070DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva