#347BCB#347BCB

#347BCB is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.8% C 0.142 H 253.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#347BCB
RGB	rgb(52, 123, 203)
HSL	hsl(212, 59%, 50%)
HSV	hsv(212, 74%, 80%)
CMYK	cmyk(74.4%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(50.93, 5.28, -47.83)
CIE-LCH	lch(50.93, 48.12, 276.30°)
OKLab	oklab(57.79% -0.0399 -0.1365)
OKLCH	oklch(57.79% 0.142 253.7)
XYZ	xyz(19.2746, 19.2056, 59.1796)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347BCB #CB8434

analogous

#34C7CB #347BCB #3834CB

triadic

#347BCB #CB347B #7BCB34

tetradic

#347BCB #CB34C7 #CB8434 #34CB38

square

#347BCB #CB34C7 #CB8434 #34CB38

split-complementary

#347BCB #CB3834 #C7CB34

monochromatic

#1B406A #285D9A #347BCB #659BD7 #95BAE4

Accessibility & contrast

On white

4.34

#347BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#347BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347BCB

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347BCB	#FFFFFF	#000000	##000000
##347BCB	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5581CE

Deuteranopia (green-blind)

#3D73C9

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #347bcb;
/* rgb */ color: rgb(52, 123, 203);
/* oklch */ color: oklch(57.8% 0.142 253.7);

Tailwind

colors: {
  custom: {
    50: '#7fa0db',
    500: '#347bcb',
    950: '#000000',
  },
}

SCSS

$custom: #347bcb;
$custom-light: #7fa0db;
$custom-dark: #000000;

JSON

{
  "hex": "#347bcb",
  "rgb": {
    "r": 52,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 211.788,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.5779,
    "c": 0.14219,
    "h": 253.7
  },
  "luminance": 0.19208
}

Semantic roles & 50–950 ramp

primary

#347BCB

secondary

#CFAF8C

accent

#9945E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #347BCB

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

Preview Lab → · Contrast checker → · Palette generator →