#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
RGB	rgb(64, 112, 221)
HSL	hsl(222, 70%, 56%)
HSV	hsv(222, 71%, 87%)
CMYK	cmyk(71%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(49.37, 20.29, -60.51)
CIE-LCH	lch(49.37, 63.82, 288.53°)
OKLab	oklab(57.06% -0.0187 -0.1738)
OKLCH	oklch(57.06% 0.175 263.8)
XYZ	xyz(20.9551, 17.8966, 70.7426)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	blue

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
##4070DD	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

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 →