#3473BB#3473BB

#3473BB is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.130 H 253.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3473BB
RGB	rgb(52, 115, 187)
HSL	hsl(212, 56%, 47%)
HSV	hsv(212, 72%, 73%)
CMYK	cmyk(72.2%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(47.72, 4.33, -43.74)
CIE-LCH	lch(47.72, 43.96, 275.65°)
OKLab	oklab(55% -0.0363 -0.1246)
OKLCH	oklch(55% 0.13 253.7)
XYZ	xyz(16.5132, 16.5776, 49.3336)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3473BB #BB7C34

analogous

#34B7BB #3473BB #3934BB

triadic

#3473BB #BB3473 #73BB34

tetradic

#3473BB #BB34B7 #BB7C34 #34BB39

square

#3473BB #BB34B7 #BB7C34 #34BB39

split-complementary

#3473BB #BB3934 #B7BB34

monochromatic

#19385B #27568B #3473BB #5B92D1 #8BB2DF

Accessibility & contrast

On white

4.87

#3473BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3473BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3473BB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3473BB	#FFFFFF	#000000	##FFFFFF
##3473BB	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BE

Deuteranopia (green-blind)

#3D6BBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3473bb;
/* rgb */ color: rgb(52, 115, 187);
/* oklch */ color: oklch(55.0% 0.130 253.7);

Tailwind

colors: {
  custom: {
    50: '#7c9ad0',
    500: '#3473bb',
    950: '#000000',
  },
}

SCSS

$custom: #3473bb;
$custom-light: #7c9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3473bb",
  "rgb": {
    "r": 52,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 212,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55004,
    "c": 0.12983,
    "h": 253.7
  },
  "luminance": 0.16579
}

Semantic roles & 50–950 ramp

primary

#3473BB

secondary

#C9A882

accent

#9948E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3473BB

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

Preview Lab → · Contrast checker → · Palette generator →