#3470D2#3470D2

#3470D2 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.8% C 0.164 H 259.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3470D2
RGB	rgb(52, 112, 210)
HSL	hsl(217, 64%, 51%)
HSV	hsv(217, 75%, 82%)
CMYK	cmyk(75.2%, 46.7%, 0%, 17.6%)
CIE-LAB	lab(48.22, 14.71, -56.14)
CIE-LCH	lch(48.22, 58.04, 284.68°)
OKLab	oklab(55.83% -0.029 -0.1611)
OKLCH	oklch(55.83% 0.164 259.8)
XYZ	xyz(18.8390, 16.9694, 63.2428)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3470D2 #D29634

analogous

#34BFD2 #3470D2 #4734D2

triadic

#3470D2 #D23470 #70D234

tetradic

#3470D2 #D234BF #D29634 #34D247

square

#3470D2 #D234BF #D29634 #34D247

split-complementary

#3470D2 #D24734 #BFD234

monochromatic

#193B72 #2455A4 #3470D2 #6693DD #98B7E8

Accessibility & contrast

On white

4.78

#3470D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3470D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3470D2

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3470D2	#FFFFFF	#000000	##FFFFFF
##3470D2	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7AD6

Deuteranopia (green-blind)

#106CD0

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3470d2;
/* rgb */ color: rgb(52, 112, 210);
/* oklch */ color: oklch(55.8% 0.164 259.8);

Tailwind

colors: {
  custom: {
    50: '#8198e0',
    500: '#3470d2',
    950: '#000000',
  },
}

SCSS

$custom: #3470d2;
$custom-light: #8198e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3470d2",
  "rgb": {
    "r": 52,
    "g": 112,
    "b": 210
  },
  "hsl": {
    "h": 217.215,
    "s": 63.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55827,
    "c": 0.16372,
    "h": 259.8
  },
  "luminance": 0.16972
}

Semantic roles & 50–950 ramp

primary

#3470D2

secondary

#D4B98E

accent

#A841E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3470D2

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

Preview Lab → · Contrast checker → · Palette generator →