#347D9D#347D9D

#347D9D is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.087 H 230.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#347D9D
RGB	rgb(52, 125, 157)
HSL	hsl(198, 50%, 41%)
HSV	hsv(198, 67%, 62%)
CMYK	cmyk(66.9%, 20.4%, 0%, 38.4%)
CIE-LAB	lab(49.29, -12.22, -23.85)
CIE-LCH	lch(49.29, 26.80, 242.86°)
OKLab	oklab(55.77% -0.0559 -0.0668)
OKLCH	oklch(55.77% 0.087 230)
XYZ	xyz(14.8332, 17.8300, 34.5516)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347D9D #9D5434

analogous

#349D88 #347D9D #34489D

triadic

#347D9D #9D347D #7D9D34

tetradic

#347D9D #88349D #9D5434 #489D34

square

#347D9D #88349D #9D5434 #489D34

split-complementary

#347D9D #9D3448 #9D8834

monochromatic

#163441 #25586F #347D9D #4B9FC3 #79B7D3

Accessibility & contrast

On white

4.60

#347D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#347D9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #347D9D

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347D9D	#FFFFFF	#000000	##FFFFFF
##347D9D	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9F

Deuteranopia (green-blind)

#5E709D

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #347d9d;
/* rgb */ color: rgb(52, 125, 157);
/* oklch */ color: oklch(55.8% 0.087 230.0);

Tailwind

colors: {
  custom: {
    50: '#78a2ba',
    500: '#347d9d',
    950: '#000000',
  },
}

SCSS

$custom: #347d9d;
$custom-light: #78a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#347d9d",
  "rgb": {
    "r": 52,
    "g": 125,
    "b": 157
  },
  "hsl": {
    "h": 198.286,
    "s": 50.239,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55766,
    "c": 0.08709,
    "h": 230
  },
  "luminance": 0.17832
}

Semantic roles & 50–950 ramp

primary

#347D9D

secondary

#BB8872

accent

#794EDA

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #347D9D

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

Preview Lab → · Contrast checker → · Palette generator →