#3470DD#3470DD

#3470DD is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.6% C 0.178 H 261.1°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3470DD
RGB	rgb(52, 112, 221)
HSL	hsl(219, 71%, 54%)
HSV	hsv(219, 76%, 87%)
CMYK	cmyk(76.5%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(48.93, 18.80, -61.25)
CIE-LCH	lch(48.93, 64.07, 287.06°)
OKLab	oklab(56.6% -0.0274 -0.1761)
OKLCH	oklch(56.6% 0.178 261.1)
XYZ	xyz(20.2568, 17.5365, 70.7099)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3470DD #DDA134

analogous

#34C5DD #3470DD #4C34DD

triadic

#3470DD #DD3470 #70DD34

tetradic

#3470DD #DD34C5 #DDA134 #34DD4C

square

#3470DD #DD34C5 #DDA134 #34DD4C

split-complementary

#3470DD #DD4C34 #C5DD34

monochromatic

#163C81 #1E54B5 #3470DD #6895E6 #9DBAEF

Accessibility & contrast

On white

4.66

#3470DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3470DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3470DD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3470DD	#FFFFFF	#000000	##FFFFFF
##3470DD	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7CE1

Deuteranopia (green-blind)

#006DDB

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3470dd;
/* rgb */ color: rgb(52, 112, 221);
/* oklch */ color: oklch(56.6% 0.178 261.1);

Tailwind

colors: {
  custom: {
    50: '#8398e8',
    500: '#3470dd',
    950: '#000000',
  },
}

SCSS

$custom: #3470dd;
$custom-light: #8398e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3470dd",
  "rgb": {
    "r": 52,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 218.698,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.56597,
    "c": 0.17826,
    "h": 261.1
  },
  "luminance": 0.17539
}

Semantic roles & 50–950 ramp

primary

#3470DD

secondary

#DBC192

accent

#AE3AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3470DD

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

Preview Lab → · Contrast checker → · Palette generator →