#347BBF#347BBF

#347BBF is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.127 H 250.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#347BBF
RGB	rgb(52, 123, 191)
HSL	hsl(209, 57%, 48%)
HSV	hsv(209, 73%, 75%)
CMYK	cmyk(72.8%, 35.6%, 0%, 25.1%)
CIE-LAB	lab(50.28, 0.90, -41.99)
CIE-LCH	lch(50.28, 42.00, 271.23°)
OKLab	oklab(57.08% -0.0429 -0.1194)
OKLCH	oklch(57.08% 0.127 250.2)
XYZ	xyz(17.8996, 18.6556, 51.9376)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347BBF #BF7834

analogous

#34BFBE #347BBF #3435BF

triadic

#347BBF #BF347B #7BBF34

tetradic

#347BBF #BE34BF #BF7834 #35BF34

square

#347BBF #BE34BF #BF7834 #35BF34

split-complementary

#347BBF #BF3435 #BFBE34

monochromatic

#1A3D5F #275C8F #347BBF #5D99D3 #8DB8E0

Accessibility & contrast

On white

4.44

#347BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#347BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347BBF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347BBF	#FFFFFF	#000000	##000000
##347BBF	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7FC2

Deuteranopia (green-blind)

#4872BE

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #347bbf;
/* rgb */ color: rgb(52, 123, 191);
/* oklch */ color: oklch(57.1% 0.127 250.2);

Tailwind

colors: {
  custom: {
    50: '#7da0d2',
    500: '#347bbf',
    950: '#000000',
  },
}

SCSS

$custom: #347bbf;
$custom-light: #7da0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#347bbf",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 209.353,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57075,
    "c": 0.12685,
    "h": 250.2
  },
  "luminance": 0.18658
}

Semantic roles & 50–950 ramp

primary

#347BBF

secondary

#CAA784

accent

#9247E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #347BBF

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

Preview Lab → · Contrast checker → · Palette generator →