#3470D1#3470D1

#3470D1 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.162 H 259.6°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3470D1
RGB	rgb(52, 112, 209)
HSL	hsl(217, 63%, 51%)
HSV	hsv(217, 75%, 82%)
CMYK	cmyk(75.1%, 46.4%, 0%, 18%)
CIE-LAB	lab(48.16, 14.34, -55.68)
CIE-LCH	lch(48.16, 57.49, 284.44°)
OKLab	oklab(55.76% -0.0292 -0.1597)
OKLCH	oklch(55.76% 0.162 259.6)
XYZ	xyz(18.7148, 16.9197, 62.5887)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3470D1 #D19534

analogous

#34BED1 #3470D1 #4634D1

triadic

#3470D1 #D13470 #70D134

tetradic

#3470D1 #D134BE #D19534 #34D146

square

#3470D1 #D134BE #D19534 #34D146

split-complementary

#3470D1 #D14634 #BED134

monochromatic

#1A3B71 #2555A3 #3470D1 #6693DC #98B6E8

Accessibility & contrast

On white

4.79

#3470D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3470D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3470D1

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3470D1	#FFFFFF	#000000	##FFFFFF
##3470D1	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7AD5

Deuteranopia (green-blind)

#136CCF

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3470d1;
/* rgb */ color: rgb(52, 112, 209);
/* oklch */ color: oklch(55.8% 0.162 259.6);

Tailwind

colors: {
  custom: {
    50: '#8198e0',
    500: '#3470d1',
    950: '#000000',
  },
}

SCSS

$custom: #3470d1;
$custom-light: #8198e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3470d1",
  "rgb": {
    "r": 52,
    "g": 112,
    "b": 209
  },
  "hsl": {
    "h": 217.07,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55759,
    "c": 0.16239,
    "h": 259.6
  },
  "luminance": 0.16922
}

Semantic roles & 50–950 ramp

primary

#3470D1

secondary

#D3B98E

accent

#A742E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3470D1

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

Preview Lab → · Contrast checker → · Palette generator →