#347C9B#347C9B

#347C9B is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.086 H 229.5°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#347C9B
RGB	rgb(52, 124, 155)
HSL	hsl(198, 50%, 41%)
HSV	hsv(198, 66%, 61%)
CMYK	cmyk(66.5%, 20%, 0%, 39.2%)
CIE-LAB	lab(48.90, -12.33, -23.28)
CIE-LCH	lch(48.90, 26.35, 242.10°)
OKLab	oklab(55.43% -0.0556 -0.0651)
OKLCH	oklch(55.43% 0.086 229.5)
XYZ	xyz(14.5379, 17.5104, 33.6177)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347C9B #9B5334

analogous

#349B86 #347C9B #34499B

triadic

#347C9B #9B347C #7C9B34

tetradic

#347C9B #86349B #9B5334 #499B34

square

#347C9B #86349B #9B5334 #499B34

split-complementary

#347C9B #9B3449 #9B8634

monochromatic

#15333F #25576D #347C9B #4A9EC2 #78B7D2

Accessibility & contrast

On white

4.66

#347C9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#347C9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #347C9B

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347C9B	#FFFFFF	#000000	##FFFFFF
##347C9B	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9D

Deuteranopia (green-blind)

#5E709B

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #347c9b;
/* rgb */ color: rgb(52, 124, 155);
/* oklch */ color: oklch(55.4% 0.086 229.5);

Tailwind

colors: {
  custom: {
    50: '#77a2b8',
    500: '#347c9b',
    950: '#000000',
  },
}

SCSS

$custom: #347c9b;
$custom-light: #77a2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#347c9b",
  "rgb": {
    "r": 52,
    "g": 124,
    "b": 155
  },
  "hsl": {
    "h": 198.058,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55426,
    "c": 0.08565,
    "h": 229.5
  },
  "luminance": 0.17512
}

Semantic roles & 50–950 ramp

primary

#347C9B

secondary

#BA8771

accent

#784FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #347C9B

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

Preview Lab → · Contrast checker → · Palette generator →