#3473D0#3473D0

#3473D0 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.3% C 0.158 H 258.3°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3473D0
RGB	rgb(52, 115, 208)
HSL	hsl(216, 62%, 51%)
HSV	hsv(216, 75%, 82%)
CMYK	cmyk(75%, 44.7%, 0%, 18.4%)
CIE-LAB	lab(48.94, 12.08, -53.85)
CIE-LCH	lch(48.94, 55.19, 282.64°)
OKLab	oklab(56.34% -0.0319 -0.1543)
OKLCH	oklch(56.34% 0.158 258.3)
XYZ	xyz(18.9279, 17.5435, 62.0509)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3473D0 #D09134

analogous

#34C1D0 #3473D0 #4334D0

triadic

#3473D0 #D03473 #73D034

tetradic

#3473D0 #D034C1 #D09134 #34D043

square

#3473D0 #D034C1 #D09134 #34D043

split-complementary

#3473D0 #D04334 #C1D034

monochromatic

#1A3D70 #2557A1 #3473D0 #6695DC #97B8E7

Accessibility & contrast

On white

4.66

#3473D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3473D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3473D0

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3473D0	#FFFFFF	#000000	##FFFFFF
##3473D0	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)

#437CD4

Deuteranopia (green-blind)

#226ECE

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3473d0;
/* rgb */ color: rgb(52, 115, 208);
/* oklch */ color: oklch(56.3% 0.158 258.3);

Tailwind

colors: {
  custom: {
    50: '#809adf',
    500: '#3473d0',
    950: '#000000',
  },
}

SCSS

$custom: #3473d0;
$custom-light: #809adf;
$custom-dark: #000000;

JSON

{
  "hex": "#3473d0",
  "rgb": {
    "r": 52,
    "g": 115,
    "b": 208
  },
  "hsl": {
    "h": 215.769,
    "s": 62.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5634,
    "c": 0.15759,
    "h": 258.3
  },
  "luminance": 0.17546
}

Semantic roles & 50–950 ramp

primary

#3473D0

secondary

#D2B78D

accent

#A442E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3473D0

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

Preview Lab → · Contrast checker → · Palette generator →