#347D99#347D99

#347D99 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.084 H 226.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#347D99
RGB	rgb(52, 125, 153)
HSL	hsl(197, 49%, 40%)
HSV	hsv(197, 66%, 60%)
CMYK	cmyk(66%, 18.3%, 0%, 40%)
CIE-LAB	lab(49.12, -13.56, -21.76)
CIE-LCH	lch(49.12, 25.64, 238.07°)
OKLab	oklab(55.58% -0.0575 -0.0608)
OKLCH	oklch(55.58% 0.084 226.6)
XYZ	xyz(14.4973, 17.6957, 32.7824)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347D99 #995034

analogous

#349983 #347D99 #344A99

triadic

#347D99 #99347D #7D9934

tetradic

#347D99 #833499 #995034 #4A9934

square

#347D99 #833499 #995034 #4A9934

split-complementary

#347D99 #99344A #998334

monochromatic

#15323E #24586B #347D99 #49A0C1 #77B8D1

Accessibility & contrast

On white

4.63

#347D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#347D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #347D99

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347D99	#FFFFFF	#000000	##FFFFFF
##347D99	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9A

Deuteranopia (green-blind)

#607099

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #347d99;
/* rgb */ color: rgb(52, 125, 153);
/* oklch */ color: oklch(55.6% 0.084 226.6);

Tailwind

colors: {
  custom: {
    50: '#77a2b7',
    500: '#347d99',
    950: '#000000',
  },
}

SCSS

$custom: #347d99;
$custom-light: #77a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#347d99",
  "rgb": {
    "r": 52,
    "g": 125,
    "b": 153
  },
  "hsl": {
    "h": 196.634,
    "s": 49.268,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55581,
    "c": 0.08366,
    "h": 226.6
  },
  "luminance": 0.17697
}

Semantic roles & 50–950 ramp

primary

#347D99

secondary

#B98470

accent

#754FD9

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #347D99

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

Preview Lab → · Contrast checker → · Palette generator →