#3473D1#3473D1

#3473D1 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.159 H 258.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3473D1
RGB	rgb(52, 115, 209)
HSL	hsl(216, 63%, 51%)
HSV	hsv(216, 75%, 82%)
CMYK	cmyk(75.1%, 45%, 0%, 18%)
CIE-LAB	lab(49.00, 12.45, -54.33)
CIE-LCH	lch(49.00, 55.73, 282.91°)
OKLab	oklab(56.41% -0.0317 -0.1557)
OKLCH	oklch(56.41% 0.159 258.5)
XYZ	xyz(19.0513, 17.5928, 62.7009)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3473D1 #D19234

analogous

#34C1D1 #3473D1 #4334D1

triadic

#3473D1 #D13473 #73D134

tetradic

#3473D1 #D134C1 #D19234 #34D143

square

#3473D1 #D134C1 #D19234 #34D143

split-complementary

#3473D1 #D14334 #C1D134

monochromatic

#1A3D71 #2557A3 #3473D1 #6695DC #98B8E8

Accessibility & contrast

On white

4.65

#3473D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3473D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3473D1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3473D1	#FFFFFF	#000000	##FFFFFF
##3473D1	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427CD5

Deuteranopia (green-blind)

#206ECF

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3473d1;
/* rgb */ color: rgb(52, 115, 209);
/* oklch */ color: oklch(56.4% 0.159 258.5);

Tailwind

colors: {
  custom: {
    50: '#819ae0',
    500: '#3473d1',
    950: '#000000',
  },
}

SCSS

$custom: #3473d1;
$custom-light: #819ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#3473d1",
  "rgb": {
    "r": 52,
    "g": 115,
    "b": 209
  },
  "hsl": {
    "h": 215.924,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56406,
    "c": 0.15891,
    "h": 258.5
  },
  "luminance": 0.17595
}

Semantic roles & 50–950 ramp

primary

#3473D1

secondary

#D3B78E

accent

#A442E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3473D1

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

Preview Lab → · Contrast checker → · Palette generator →