#347C8B#347C8B

#347C8B is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.7% C 0.074 H 213.6°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#347C8B
RGB	rgb(52, 124, 139)
HSL	hsl(190, 46%, 37%)
HSV	hsv(190, 63%, 55%)
CMYK	cmyk(62.6%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(48.27, -17.56, -14.85)
CIE-LCH	lch(48.27, 23.00, 220.21°)
OKLab	oklab(54.72% -0.0621 -0.0412)
OKLCH	oklch(54.72% 0.075 213.6)
XYZ	xyz(13.2821, 17.0081, 27.0040)
Luminance	0.1701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347C8B #8B4334

analogous

#348B6F #347C8B #34508B

triadic

#347C8B #8B347C #7C8B34

tetradic

#347C8B #6F348B #8B4334 #508B34

square

#347C8B #6F348B #8B4334 #508B34

split-complementary

#347C8B #8B3450 #8B6F34

monochromatic

#132D32 #23545E #347C8B #45A4B8 #70BAC9

Accessibility & contrast

On white

4.77

#347C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#347C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #347C8B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347C8B	#FFFFFF	#000000	##FFFFFF
##347C8B	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788C

Deuteranopia (green-blind)

#646E8B

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #347c8b;
/* rgb */ color: rgb(52, 124, 139);
/* oklch */ color: oklch(54.7% 0.074 213.6);

Tailwind

colors: {
  custom: {
    50: '#75a2ac',
    500: '#347c8b',
    950: '#000000',
  },
}

SCSS

$custom: #347c8b;
$custom-light: #75a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#347c8b",
  "rgb": {
    "r": 52,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 190.345,
    "s": 45.55,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54717,
    "c": 0.0745,
    "h": 213.6
  },
  "luminance": 0.17009
}

Semantic roles & 50–950 ramp

primary

#347C8B

secondary

#B27669

accent

#6953D5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #347C8B

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

Preview Lab → · Contrast checker → · Palette generator →