#347DB1#347DB1

#347DB1 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.108 H 243.1°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#347DB1
RGB	rgb(52, 125, 177)
HSL	hsl(205, 55%, 45%)
HSV	hsv(205, 71%, 69%)
CMYK	cmyk(70.6%, 29.4%, 0%, 30.6%)
CIE-LAB	lab(50.18, -5.31, -34.09)
CIE-LCH	lch(50.18, 34.50, 261.15°)
OKLab	oklab(56.77% -0.049 -0.0963)
OKLCH	oklch(56.77% 0.108 243.1)
XYZ	xyz(16.6826, 18.5698, 44.2916)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347DB1 #B16834

analogous

#34B1A6 #347DB1 #343FB1

triadic

#347DB1 #B1347D #7DB134

tetradic

#347DB1 #A634B1 #B16834 #3FB134

square

#347DB1 #A634B1 #B16834 #3FB134

split-complementary

#347DB1 #B1343F #B1A634

monochromatic

#183A52 #265C82 #347DB1 #559BCD #84B7DB

Accessibility & contrast

On white

4.45

#347DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#347DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347DB1

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347DB1	#FFFFFF	#000000	##000000
##347DB1	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)

#657EB3

Deuteranopia (green-blind)

#5472B0

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #347db1;
/* rgb */ color: rgb(52, 125, 177);
/* oklch */ color: oklch(56.8% 0.108 243.1);

Tailwind

colors: {
  custom: {
    50: '#7ba2c8',
    500: '#347db1',
    950: '#000000',
  },
}

SCSS

$custom: #347db1;
$custom-light: #7ba2c8;
$custom-dark: #000000;

JSON

{
  "hex": "#347db1",
  "rgb": {
    "r": 52,
    "g": 125,
    "b": 177
  },
  "hsl": {
    "h": 204.96,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56767,
    "c": 0.10804,
    "h": 243.1
  },
  "luminance": 0.18572
}

Semantic roles & 50–950 ramp

primary

#347DB1

secondary

#C59A7C

accent

#874ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #347DB1

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

Preview Lab → · Contrast checker → · Palette generator →