#347BB5#347BB5

#347BB5 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.114 H 246.5°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#347BB5
RGB	rgb(52, 123, 181)
HSL	hsl(207, 55%, 46%)
HSV	hsv(207, 71%, 71%)
CMYK	cmyk(71.3%, 32%, 0%, 29%)
CIE-LAB	lab(49.77, -2.70, -37.03)
CIE-LCH	lch(49.77, 37.13, 265.83°)
OKLab	oklab(56.51% -0.0457 -0.1049)
OKLCH	oklch(56.51% 0.114 246.5)
XYZ	xyz(16.8365, 18.2303, 46.3386)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347BB5 #B56E34

analogous

#34B5AE #347BB5 #343AB5

triadic

#347BB5 #B5347B #7BB534

tetradic

#347BB5 #AE34B5 #B56E34 #3AB534

square

#347BB5 #AE34B5 #B56E34 #3AB534

split-complementary

#347BB5 #B5343A #B5AE34

monochromatic

#193A56 #265B85 #347BB5 #5799CF #87B6DC

Accessibility & contrast

On white

4.52

#347BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#347BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347BB5

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347BB5	#FFFFFF	#000000	##000000
##347BB5	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617DB8

Deuteranopia (green-blind)

#4F71B4

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #347bb5;
/* rgb */ color: rgb(52, 123, 181);
/* oklch */ color: oklch(56.5% 0.114 246.5);

Tailwind

colors: {
  custom: {
    50: '#7ba0cb',
    500: '#347bb5',
    950: '#000000',
  },
}

SCSS

$custom: #347bb5;
$custom-light: #7ba0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#347bb5",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 181
  },
  "hsl": {
    "h": 206.977,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5651,
    "c": 0.11444,
    "h": 246.5
  },
  "luminance": 0.18232
}

Semantic roles & 50–950 ramp

primary

#347BB5

secondary

#C69F7F

accent

#8C49DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #347BB5

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

Preview Lab → · Contrast checker → · Palette generator →