#347B9D#347B9D

#347B9D is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.3% C 0.088 H 232.3°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#347B9D
RGB	rgb(52, 123, 157)
HSL	hsl(199, 50%, 41%)
HSV	hsv(199, 67%, 62%)
CMYK	cmyk(66.9%, 21.7%, 0%, 38.4%)
CIE-LAB	lab(48.67, -11.09, -24.80)
CIE-LCH	lch(48.67, 27.17, 245.92°)
OKLab	oklab(55.27% -0.0538 -0.0695)
OKLCH	oklch(55.27% 0.088 232.3)
XYZ	xyz(14.5825, 17.3288, 34.4680)
Luminance	0.1733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347B9D #9D5634

analogous

#349D8A #347B9D #34469D

triadic

#347B9D #9D347B #7B9D34

tetradic

#347B9D #8A349D #9D5634 #469D34

square

#347B9D #8A349D #9D5634 #469D34

split-complementary

#347B9D #9D3446 #9D8A34

monochromatic

#163341 #25576F #347B9D #4B9CC3 #79B6D3

Accessibility & contrast

On white

4.70

#347B9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#347B9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #347B9D

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347B9D	#FFFFFF	#000000	##FFFFFF
##347B9D	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7A9F

Deuteranopia (green-blind)

#5C6F9C

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #347b9d;
/* rgb */ color: rgb(52, 123, 157);
/* oklch */ color: oklch(55.3% 0.088 232.3);

Tailwind

colors: {
  custom: {
    50: '#77a1ba',
    500: '#347b9d',
    950: '#000000',
  },
}

SCSS

$custom: #347b9d;
$custom-light: #77a1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#347b9d",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 157
  },
  "hsl": {
    "h": 199.429,
    "s": 50.239,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55274,
    "c": 0.08787,
    "h": 232.3
  },
  "luminance": 0.1733
}

Semantic roles & 50–950 ramp

primary

#347B9D

secondary

#BB8972

accent

#7B4EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #347B9D

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

Preview Lab → · Contrast checker → · Palette generator →