#347CD3#347CD3

#347CD3 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.5% C 0.151 H 255.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#347CD3
RGB	rgb(52, 124, 211)
HSL	hsl(213, 64%, 52%)
HSV	hsv(213, 75%, 83%)
CMYK	cmyk(75.4%, 41.2%, 0%, 17.3%)
CIE-LAB	lab(51.66, 7.60, -51.20)
CIE-LCH	lch(51.66, 51.76, 278.45°)
OKLab	oklab(58.51% -0.039 -0.1464)
OKLCH	oklch(58.51% 0.151 255.1)
XYZ	xyz(20.3773, 19.8462, 64.3721)
Luminance	0.1985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347CD3 #D38B34

analogous

#34CCD3 #347CD3 #3C34D3

triadic

#347CD3 #D3347C #7CD334

tetradic

#347CD3 #D334CC #D38B34 #34D33C

square

#347CD3 #D334CC #D38B34 #34D33C

split-complementary

#347CD3 #D33C34 #CCD334

monochromatic

#194274 #245FA6 #347CD3 #669CDE #99BDE9

Accessibility & contrast

On white

4.23

#347CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#347CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347CD3

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347CD3	#FFFFFF	#000000	##000000
##347CD3	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5283D6

Deuteranopia (green-blind)

#3774D1

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #347cd3;
/* rgb */ color: rgb(52, 124, 211);
/* oklch */ color: oklch(58.5% 0.151 255.1);

Tailwind

colors: {
  custom: {
    50: '#81a1e1',
    500: '#347cd3',
    950: '#000000',
  },
}

SCSS

$custom: #347cd3;
$custom-light: #81a1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#347cd3",
  "rgb": {
    "r": 52,
    "g": 124,
    "b": 211
  },
  "hsl": {
    "h": 212.83,
    "s": 64.372,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58509,
    "c": 0.15146,
    "h": 255.1
  },
  "luminance": 0.19849
}

Semantic roles & 50–950 ramp

primary

#347CD3

secondary

#D4B58E

accent

#9C40E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #347CD3

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

Preview Lab → · Contrast checker → · Palette generator →