#347B99#347B99

#347B99 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.084 H 229.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#347B99
RGB	rgb(52, 123, 153)
HSL	hsl(198, 49%, 40%)
HSV	hsv(198, 66%, 60%)
CMYK	cmyk(66%, 19.6%, 0%, 40%)
CIE-LAB	lab(48.50, -12.44, -22.72)
CIE-LCH	lch(48.50, 25.90, 241.31°)
OKLab	oklab(55.08% -0.0553 -0.0635)
OKLCH	oklch(55.08% 0.084 229)
XYZ	xyz(14.2466, 17.1944, 32.6989)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347B99 #995234

analogous

#349984 #347B99 #344899

triadic

#347B99 #99347B #7B9934

tetradic

#347B99 #843499 #995234 #489934

square

#347B99 #843499 #995234 #489934

split-complementary

#347B99 #993448 #998434

monochromatic

#15323E #24566B #347B99 #499DC1 #77B6D1

Accessibility & contrast

On white

4.73

#347B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#347B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #347B99

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347B99	#FFFFFF	#000000	##FFFFFF
##347B99	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B799A

Deuteranopia (green-blind)

#5D6F99

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #347b99;
/* rgb */ color: rgb(52, 123, 153);
/* oklch */ color: oklch(55.1% 0.084 229.0);

Tailwind

colors: {
  custom: {
    50: '#77a1b7',
    500: '#347b99',
    950: '#000000',
  },
}

SCSS

$custom: #347b99;
$custom-light: #77a1b7;
$custom-dark: #000000;

JSON

{
  "hex": "#347b99",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 153
  },
  "hsl": {
    "h": 197.822,
    "s": 49.268,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55085,
    "c": 0.08421,
    "h": 229
  },
  "luminance": 0.17196
}

Semantic roles & 50–950 ramp

primary

#347B99

secondary

#B98570

accent

#784FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #347B99

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

Preview Lab → · Contrast checker → · Palette generator →