#347E9B#347E9B

#347E9B is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.9% C 0.085 H 227.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#347E9B
RGB	rgb(52, 126, 155)
HSL	hsl(197, 50%, 41%)
HSV	hsv(197, 66%, 61%)
CMYK	cmyk(66.5%, 18.7%, 0%, 39.2%)
CIE-LAB	lab(49.52, -13.46, -22.33)
CIE-LCH	lch(49.52, 26.07, 238.92°)
OKLab	oklab(55.92% -0.0578 -0.0624)
OKLCH	oklch(55.92% 0.085 227.2)
XYZ	xyz(14.7911, 18.0168, 33.7021)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347E9B #9B5134

analogous

#349B84 #347E9B #344B9B

triadic

#347E9B #9B347E #7E9B34

tetradic

#347E9B #84349B #9B5134 #4B9B34

square

#347E9B #84349B #9B5134 #4B9B34

split-complementary

#347E9B #9B344B #9B8434

monochromatic

#15333F #25596D #347E9B #4AA0C2 #78B8D2

Accessibility & contrast

On white

4.56

#347E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#347E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347E9B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347E9B	#FFFFFF	#000000	##000000
##347E9B	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9C

Deuteranopia (green-blind)

#60719B

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #347e9b;
/* rgb */ color: rgb(52, 126, 155);
/* oklch */ color: oklch(55.9% 0.085 227.2);

Tailwind

colors: {
  custom: {
    50: '#77a3b8',
    500: '#347e9b',
    950: '#000000',
  },
}

SCSS

$custom: #347e9b;
$custom-light: #77a3b8;
$custom-dark: #000000;

JSON

{
  "hex": "#347e9b",
  "rgb": {
    "r": 52,
    "g": 126,
    "b": 155
  },
  "hsl": {
    "h": 196.893,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5592,
    "c": 0.08505,
    "h": 227.2
  },
  "luminance": 0.18018
}

Semantic roles & 50–950 ramp

primary

#347E9B

secondary

#BA8571

accent

#764FD9

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #347E9B

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

Preview Lab → · Contrast checker → · Palette generator →