#347BB3#347BB3

#347BB3 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.4% C 0.112 H 245.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#347BB3
RGB	rgb(52, 123, 179)
HSL	hsl(206, 55%, 45%)
HSV	hsv(206, 71%, 70%)
CMYK	cmyk(70.9%, 31.3%, 0%, 29.8%)
CIE-LAB	lab(49.68, -3.42, -36.03)
CIE-LCH	lch(49.68, 36.19, 264.58°)
OKLab	oklab(56.4% -0.0463 -0.102)
OKLCH	oklch(56.4% 0.112 245.6)
XYZ	xyz(16.6327, 18.1488, 45.2656)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347BB3 #B36C34

analogous

#34B3AB #347BB3 #343BB3

triadic

#347BB3 #B3347B #7BB334

tetradic

#347BB3 #AB34B3 #B36C34 #3BB334

square

#347BB3 #AB34B3 #B36C34 #3BB334

split-complementary

#347BB3 #B3343B #B3AB34

monochromatic

#183A54 #265A84 #347BB3 #5699CE #86B6DC

Accessibility & contrast

On white

4.54

#347BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#347BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347BB3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347BB3	#FFFFFF	#000000	##000000
##347BB3	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627DB5

Deuteranopia (green-blind)

#5071B2

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #347bb3;
/* rgb */ color: rgb(52, 123, 179);
/* oklch */ color: oklch(56.4% 0.112 245.6);

Tailwind

colors: {
  custom: {
    50: '#7ba0ca',
    500: '#347bb3',
    950: '#000000',
  },
}

SCSS

$custom: #347bb3;
$custom-light: #7ba0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#347bb3",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 179
  },
  "hsl": {
    "h": 206.457,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56401,
    "c": 0.11202,
    "h": 245.6
  },
  "luminance": 0.18151
}

Semantic roles & 50–950 ramp

primary

#347BB3

secondary

#C59D7D

accent

#8B49DE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #347BB3

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

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