#347B9A#347B9A

#347B9A is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.085 H 229.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#347B9A
RGB	rgb(52, 123, 154)
HSL	hsl(198, 50%, 40%)
HSV	hsv(198, 66%, 60%)
CMYK	cmyk(66.2%, 20.1%, 0%, 39.6%)
CIE-LAB	lab(48.55, -12.10, -23.24)
CIE-LCH	lch(48.55, 26.20, 242.50°)
OKLab	oklab(55.13% -0.0549 -0.065)
OKLCH	oklch(55.13% 0.085 229.8)
XYZ	xyz(14.3296, 17.2276, 33.1357)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347B9A #9A5334

analogous

#349A86 #347B9A #34489A

triadic

#347B9A #9A347B #7B9A34

tetradic

#347B9A #86349A #9A5334 #489A34

square

#347B9A #86349A #9A5334 #489A34

split-complementary

#347B9A #9A3448 #9A8634

monochromatic

#15323E #25566C #347B9A #499DC2 #77B6D1

Accessibility & contrast

On white

4.72

#347B9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#347B9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #347B9A

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347B9A	#FFFFFF	#000000	##FFFFFF
##347B9A	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B799C

Deuteranopia (green-blind)

#5D6F9A

Tritanopia (blue-blind)

#008485

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #347b9a;
/* rgb */ color: rgb(52, 123, 154);
/* oklch */ color: oklch(55.1% 0.085 229.8);

Tailwind

colors: {
  custom: {
    50: '#77a1b8',
    500: '#347b9a',
    950: '#000000',
  },
}

SCSS

$custom: #347b9a;
$custom-light: #77a1b8;
$custom-dark: #000000;

JSON

{
  "hex": "#347b9a",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 154
  },
  "hsl": {
    "h": 198.235,
    "s": 49.515,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55132,
    "c": 0.0851,
    "h": 229.8
  },
  "luminance": 0.17229
}

Semantic roles & 50–950 ramp

primary

#347B9A

secondary

#BA8670

accent

#794FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #347B9A

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

Preview Lab → · Contrast checker → · Palette generator →