#347DDB#347DDB

#347DDB is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.2% C 0.161 H 256.3°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#347DDB
RGBrgb(52, 125, 219)
HSLhsl(214, 70%, 53%)
HSVhsv(214, 76%, 86%)
CMYKcmyk(76.3%, 42.9%, 0%, 14.1%)
CIE-LABlab(52.41, 9.94, -54.53)
CIE-LCHlch(52.41, 55.43, 280.33°)
OKLaboklab(59.24% -0.0382 -0.1561)
OKLCHoklch(59.24% 0.161 256.3)
XYZxyz(21.5312, 20.5093, 69.8280)
Luminance0.2051 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#347DDB #DB9234
analogous
#34D1DB #347DDB #3E34DB
triadic
#347DDB #DB347D #7DDB34
tetradic
#347DDB #DB34D1 #DB9234 #34DB3E
square
#347DDB #DB34D1 #DB9234 #34DB3E
split-complementary
#347DDB #DB3E34 #D1DB34
monochromatic
#16447E #2060B2 #347DDB #689EE4 #9CC0ED

Accessibility & contrast

On white

4.12
#347DDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.10
#347DDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347DDB
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##347DDB#FFFFFF#000000##000000
##347DDB1.004.125.105.10
#FFFFFF4.121.0021.0021.00
#0000005.1021.001.001.00
##0000005.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E85DF
Deuteranopia (green-blind)
#2E76D9
Tritanopia (blue-blind)
#0093A1
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #347ddb;
/* rgb */ color: rgb(52, 125, 219);
/* oklch */ color: oklch(59.2% 0.161 256.3);
Tailwind
colors: {
  custom: {
    50: '#82a2e7',
    500: '#347ddb',
    950: '#000000',
  },
}
SCSS
$custom: #347ddb;
$custom-light: #82a2e7;
$custom-dark: #000000;
JSON
{
  "hex": "#347ddb",
  "rgb": {
    "r": 52,
    "g": 125,
    "b": 219
  },
  "hsl": {
    "h": 213.772,
    "s": 69.874,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59237,
    "c": 0.16073,
    "h": 256.3
  },
  "luminance": 0.20512
}

Semantic roles & 50–950 ramp

primary
#347DDB
secondary
#D9BA91
accent
#9F3BED
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #347DDB

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

Preview Lab → · Contrast checker → · Palette generator →

#347DDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva