#347DB5#347DB5

#347DB5 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.113 H 245.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#347DB5
RGB	rgb(52, 125, 181)
HSL	hsl(206, 55%, 46%)
HSV	hsv(206, 71%, 71%)
CMYK	cmyk(71.3%, 30.9%, 0%, 29%)
CIE-LAB	lab(50.37, -3.89, -36.09)
CIE-LCH	lch(50.37, 36.30, 263.85°)
OKLab	oklab(56.98% -0.0477 -0.1021)
OKLCH	oklch(56.98% 0.113 245)
XYZ	xyz(17.0871, 18.7316, 46.4221)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347DB5 #B56C34

analogous

#34B5AD #347DB5 #343CB5

triadic

#347DB5 #B5347D #7DB534

tetradic

#347DB5 #AD34B5 #B56C34 #3CB534

square

#347DB5 #AD34B5 #B56C34 #3CB534

split-complementary

#347DB5 #B5343C #B5AD34

monochromatic

#193B56 #265C85 #347DB5 #579BCF #87B7DC

Accessibility & contrast

On white

4.42

#347DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#347DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347DB5

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347DB5	#FFFFFF	#000000	##000000
##347DB5	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FB7

Deuteranopia (green-blind)

#5272B4

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #347db5;
/* rgb */ color: rgb(52, 125, 181);
/* oklch */ color: oklch(57.0% 0.113 245.0);

Tailwind

colors: {
  custom: {
    50: '#7ba2cb',
    500: '#347db5',
    950: '#000000',
  },
}

SCSS

$custom: #347db5;
$custom-light: #7ba2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#347db5",
  "rgb": {
    "r": 52,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 206.047,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56981,
    "c": 0.11274,
    "h": 245
  },
  "luminance": 0.18733
}

Semantic roles & 50–950 ramp

primary

#347DB5

secondary

#C69E7F

accent

#8A49DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #347DB5

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

Preview Lab → · Contrast checker → · Palette generator →