#347DB3#347DB3

#347DB3 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.110 H 244.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#347DB3
RGB	rgb(52, 125, 179)
HSL	hsl(206, 55%, 45%)
HSV	hsv(206, 71%, 70%)
CMYK	cmyk(70.9%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(50.28, -4.60, -35.09)
CIE-LCH	lch(50.28, 35.39, 262.53°)
OKLab	oklab(56.87% -0.0483 -0.0992)
OKLCH	oklch(56.87% 0.11 244)
XYZ	xyz(16.8834, 18.6501, 45.3491)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347DB3 #B36A34

analogous

#34B3A9 #347DB3 #343DB3

triadic

#347DB3 #B3347D #7DB334

tetradic

#347DB3 #A934B3 #B36A34 #3DB334

square

#347DB3 #A934B3 #B36A34 #3DB334

split-complementary

#347DB3 #B3343D #B3A934

monochromatic

#183B54 #265C84 #347DB3 #569BCE #86B7DC

Accessibility & contrast

On white

4.44

#347DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#347DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347DB3

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347DB3	#FFFFFF	#000000	##000000
##347DB3	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647EB5

Deuteranopia (green-blind)

#5372B2

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #347db3;
/* rgb */ color: rgb(52, 125, 179);
/* oklch */ color: oklch(56.9% 0.110 244.0);

Tailwind

colors: {
  custom: {
    50: '#7ba2ca',
    500: '#347db3',
    950: '#000000',
  },
}

SCSS

$custom: #347db3;
$custom-light: #7ba2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#347db3",
  "rgb": {
    "r": 52,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 205.512,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56874,
    "c": 0.11037,
    "h": 244
  },
  "luminance": 0.18652
}

Semantic roles & 50–950 ramp

primary

#347DB3

secondary

#C59C7D

accent

#8949DE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #347DB3

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

Preview Lab → · Contrast checker → · Palette generator →