#347BBD#347BBD

#347BBD is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.124 H 249.6°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#347BBD
RGB	rgb(52, 123, 189)
HSL	hsl(209, 57%, 47%)
HSV	hsv(209, 72%, 74%)
CMYK	cmyk(72.5%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(50.18, 0.18, -41.00)
CIE-LCH	lch(50.18, 41.01, 270.25°)
OKLab	oklab(56.96% -0.0434 -0.1165)
OKLCH	oklch(56.96% 0.124 249.6)
XYZ	xyz(17.6810, 18.5681, 50.7864)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347BBD #BD7634

analogous

#34BDBA #347BBD #3437BD

triadic

#347BBD #BD347B #7BBD34

tetradic

#347BBD #BA34BD #BD7634 #37BD34

square

#347BBD #BA34BD #BD7634 #37BD34

split-complementary

#347BBD #BD3437 #BDBA34

monochromatic

#1A3D5D #275C8D #347BBD #5C99D2 #8CB7DF

Accessibility & contrast

On white

4.45

#347BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#347BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347BBD

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347BBD	#FFFFFF	#000000	##000000
##347BBD	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7EC0

Deuteranopia (green-blind)

#4972BC

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #347bbd;
/* rgb */ color: rgb(52, 123, 189);
/* oklch */ color: oklch(57.0% 0.124 249.6);

Tailwind

colors: {
  custom: {
    50: '#7da0d1',
    500: '#347bbd',
    950: '#000000',
  },
}

SCSS

$custom: #347bbd;
$custom-light: #7da0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#347bbd",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 208.905,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5696,
    "c": 0.12433,
    "h": 249.6
  },
  "luminance": 0.1857
}

Semantic roles & 50–950 ramp

primary

#347BBD

secondary

#CAA583

accent

#9148E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #347BBD

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

Preview Lab → · Contrast checker → · Palette generator →