#347EB3#347EB3

#347EB3 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.110 H 243.2°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#347EB3
RGB	rgb(52, 126, 179)
HSL	hsl(205, 55%, 45%)
HSV	hsv(205, 71%, 70%)
CMYK	cmyk(70.9%, 29.6%, 0%, 29.8%)
CIE-LAB	lab(50.58, -5.19, -34.62)
CIE-LCH	lch(50.58, 35.01, 261.47°)
OKLab	oklab(57.11% -0.0493 -0.0979)
OKLCH	oklch(57.11% 0.11 243.2)
XYZ	xyz(17.0106, 18.9046, 45.3915)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347EB3 #B36934

analogous

#34B3A8 #347EB3 #343FB3

triadic

#347EB3 #B3347E #7EB334

tetradic

#347EB3 #A834B3 #B36934 #3FB334

square

#347EB3 #A834B3 #B36934 #3FB334

split-complementary

#347EB3 #B3343F #B3A834

monochromatic

#183B54 #265D84 #347EB3 #569CCE #86B8DC

Accessibility & contrast

On white

4.39

#347EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#347EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347EB3

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347EB3	#FFFFFF	#000000	##000000
##347EB3	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB5

Deuteranopia (green-blind)

#5473B2

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #347eb3;
/* rgb */ color: rgb(52, 126, 179);
/* oklch */ color: oklch(57.1% 0.110 243.2);

Tailwind

colors: {
  custom: {
    50: '#7ba3ca',
    500: '#347eb3',
    950: '#000000',
  },
}

SCSS

$custom: #347eb3;
$custom-light: #7ba3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#347eb3",
  "rgb": {
    "r": 52,
    "g": 126,
    "b": 179
  },
  "hsl": {
    "h": 205.039,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57111,
    "c": 0.10958,
    "h": 243.2
  },
  "luminance": 0.18906
}

Semantic roles & 50–950 ramp

primary

#347EB3

secondary

#C59B7D

accent

#8849DE

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #347EB3

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

Preview Lab → · Contrast checker → · Palette generator →