#347A9B#347A9B

#347A9B is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.086 H 231.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#347A9B
RGB	rgb(52, 122, 155)
HSL	hsl(199, 50%, 41%)
HSV	hsv(199, 66%, 61%)
CMYK	cmyk(66.5%, 21.3%, 0%, 39.2%)
CIE-LAB	lab(48.28, -11.19, -24.24)
CIE-LCH	lch(48.28, 26.70, 245.22°)
OKLab	oklab(54.93% -0.0534 -0.0679)
OKLCH	oklch(54.93% 0.086 231.8)
XYZ	xyz(14.2898, 17.0142, 33.5350)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347A9B #9B5534

analogous

#349B88 #347A9B #34479B

triadic

#347A9B #9B347A #7A9B34

tetradic

#347A9B #88349B #9B5534 #479B34

square

#347A9B #88349B #9B5534 #479B34

split-complementary

#347A9B #9B3447 #9B8834

monochromatic

#15323F #25566D #347A9B #4A9CC2 #78B5D2

Accessibility & contrast

On white

4.77

#347A9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#347A9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #347A9B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347A9B	#FFFFFF	#000000	##FFFFFF
##347A9B	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)

#6A789D

Deuteranopia (green-blind)

#5B6E9B

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #347a9b;
/* rgb */ color: rgb(52, 122, 155);
/* oklch */ color: oklch(54.9% 0.086 231.8);

Tailwind

colors: {
  custom: {
    50: '#77a0b8',
    500: '#347a9b',
    950: '#000000',
  },
}

SCSS

$custom: #347a9b;
$custom-light: #77a0b8;
$custom-dark: #000000;

JSON

{
  "hex": "#347a9b",
  "rgb": {
    "r": 52,
    "g": 122,
    "b": 155
  },
  "hsl": {
    "h": 199.223,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54932,
    "c": 0.0864,
    "h": 231.8
  },
  "luminance": 0.17016
}

Semantic roles & 50–950 ramp

primary

#347A9B

secondary

#BA8871

accent

#7B4FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #347A9B

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

Preview Lab → · Contrast checker → · Palette generator →