#347F9C#347F9C

#347F9C is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.086 H 226.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#347F9C
RGB	rgb(52, 127, 156)
HSL	hsl(197, 50%, 41%)
HSV	hsv(197, 67%, 61%)
CMYK	cmyk(66.7%, 18.6%, 0%, 38.8%)
CIE-LAB	lab(49.87, -13.68, -22.37)
CIE-LCH	lch(49.87, 26.23, 238.55°)
OKLab	oklab(56.21% -0.0585 -0.0625)
OKLCH	oklch(56.21% 0.086 226.9)
XYZ	xyz(15.0039, 18.3075, 34.1890)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347F9C #9C5134

analogous

#349C85 #347F9C #344B9C

triadic

#347F9C #9C347F #7F9C34

tetradic

#347F9C #85349C #9C5134 #4B9C34

square

#347F9C #85349C #9C5134 #4B9C34

split-complementary

#347F9C #9C344B #9C8534

monochromatic

#153440 #255A6E #347F9C #4AA1C3 #78B9D2

Accessibility & contrast

On white

4.50

#347F9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#347F9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347F9C

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347F9C	#FFFFFF	#000000	##000000
##347F9C	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707D9D

Deuteranopia (green-blind)

#61729C

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #347f9c;
/* rgb */ color: rgb(52, 127, 156);
/* oklch */ color: oklch(56.2% 0.086 226.9);

Tailwind

colors: {
  custom: {
    50: '#78a4b9',
    500: '#347f9c',
    950: '#000000',
  },
}

SCSS

$custom: #347f9c;
$custom-light: #78a4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#347f9c",
  "rgb": {
    "r": 52,
    "g": 127,
    "b": 156
  },
  "hsl": {
    "h": 196.731,
    "s": 50,
    "l": 40.784
  },
  "oklch": {
    "l": 0.56214,
    "c": 0.08561,
    "h": 226.9
  },
  "luminance": 0.18309
}

Semantic roles & 50–950 ramp

primary

#347F9C

secondary

#BB8671

accent

#754EDA

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #347F9C

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

Preview Lab → · Contrast checker → · Palette generator →