#347B9C#347B9C

#347B9C is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.2% C 0.087 H 231.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#347B9C
RGB	rgb(52, 123, 156)
HSL	hsl(199, 50%, 41%)
HSV	hsv(199, 67%, 61%)
CMYK	cmyk(66.7%, 21.2%, 0%, 38.8%)
CIE-LAB	lab(48.63, -11.43, -24.28)
CIE-LCH	lch(48.63, 26.84, 244.80°)
OKLab	oklab(55.23% -0.0541 -0.068)
OKLCH	oklch(55.23% 0.087 231.5)
XYZ	xyz(14.4975, 17.2948, 34.0202)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347B9C #9C5534

analogous

#349C89 #347B9C #34479C

triadic

#347B9C #9C347B #7B9C34

tetradic

#347B9C #89349C #9C5534 #479C34

square

#347B9C #89349C #9C5534 #479C34

split-complementary

#347B9C #9C3447 #9C8934

monochromatic

#153340 #25576E #347B9C #4A9DC3 #78B6D2

Accessibility & contrast

On white

4.71

#347B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#347B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #347B9C

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347B9C	#FFFFFF	#000000	##FFFFFF
##347B9C	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B799E

Deuteranopia (green-blind)

#5C6F9C

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #347b9c;
/* rgb */ color: rgb(52, 123, 156);
/* oklch */ color: oklch(55.2% 0.087 231.5);

Tailwind

colors: {
  custom: {
    50: '#77a1b9',
    500: '#347b9c',
    950: '#000000',
  },
}

SCSS

$custom: #347b9c;
$custom-light: #77a1b9;
$custom-dark: #000000;

JSON

{
  "hex": "#347b9c",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 156
  },
  "hsl": {
    "h": 199.038,
    "s": 50,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55226,
    "c": 0.08694,
    "h": 231.5
  },
  "luminance": 0.17296
}

Semantic roles & 50–950 ramp

primary

#347B9C

secondary

#BB8871

accent

#7A4EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #347B9C

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

Preview Lab → · Contrast checker → · Palette generator →