#347BB1#347BB1

#347BB1 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.110 H 244.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#347BB1
RGB	rgb(52, 123, 177)
HSL	hsl(206, 55%, 45%)
HSV	hsv(206, 71%, 69%)
CMYK	cmyk(70.6%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(49.58, -4.13, -35.03)
CIE-LCH	lch(49.58, 35.27, 263.28°)
OKLab	oklab(56.29% -0.0469 -0.0991)
OKLCH	oklch(56.29% 0.11 244.6)
XYZ	xyz(16.4319, 18.0685, 44.2080)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347BB1 #B16A34

analogous

#34B1A8 #347BB1 #343DB1

triadic

#347BB1 #B1347B #7BB134

tetradic

#347BB1 #A834B1 #B16A34 #3DB134

square

#347BB1 #A834B1 #B16A34 #3DB134

split-complementary

#347BB1 #B1343D #B1A834

monochromatic

#183952 #265A82 #347BB1 #5599CD #84B6DB

Accessibility & contrast

On white

4.55

#347BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#347BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347BB1

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347BB1	#FFFFFF	#000000	##000000
##347BB1	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637CB3

Deuteranopia (green-blind)

#5171B0

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #347bb1;
/* rgb */ color: rgb(52, 123, 177);
/* oklch */ color: oklch(56.3% 0.110 244.6);

Tailwind

colors: {
  custom: {
    50: '#7ba1c8',
    500: '#347bb1',
    950: '#000000',
  },
}

SCSS

$custom: #347bb1;
$custom-light: #7ba1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#347bb1",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 205.92,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56292,
    "c": 0.10963,
    "h": 244.6
  },
  "luminance": 0.1807
}

Semantic roles & 50–950 ramp

primary

#347BB1

secondary

#C59B7C

accent

#8A4ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #347BB1

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

Preview Lab → · Contrast checker → · Palette generator →