#219BC3#219BC3

#219BC3 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.4% C 0.116 H 226.2°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#219BC3
RGB	rgb(33, 155, 195)
HSL	hsl(195, 71%, 45%)
HSV	hsv(195, 83%, 76%)
CMYK	cmyk(83.1%, 20.5%, 0%, 23.5%)
CIE-LAB	lab(59.62, -18.05, -29.67)
CIE-LCH	lch(59.62, 34.73, 238.69°)
OKLab	oklab(64.43% -0.0801 -0.0834)
OKLCH	oklch(64.43% 0.116 226.2)
XYZ	xyz(22.1948, 27.7033, 55.7967)
Luminance	0.2771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#219BC3 #C34921

analogous

#21C39A #219BC3 #214AC3

triadic

#219BC3 #C3219B #9BC321

tetradic

#219BC3 #9A21C3 #C34921 #4AC321

square

#219BC3 #9A21C3 #C34921 #4AC321

split-complementary

#219BC3 #C3214A #C39A21

monochromatic

#0F485A #18718F #219BC3 #42B8DF #77CCE8

Accessibility & contrast

On white

3.21

#219BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#219BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #219BC3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##219BC3	#FFFFFF	#000000	##000000
##219BC3	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8598C5

Deuteranopia (green-blind)

#7089C3

Tritanopia (blue-blind)

#00A7A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #219bc3;
/* rgb */ color: rgb(33, 155, 195);
/* oklch */ color: oklch(64.4% 0.116 226.2);

Tailwind

colors: {
  custom: {
    50: '#79b8d5',
    500: '#219bc3',
    950: '#000000',
  },
}

SCSS

$custom: #219bc3;
$custom-light: #79b8d5;
$custom-dark: #000000;

JSON

{
  "hex": "#219bc3",
  "rgb": {
    "r": 33,
    "g": 155,
    "b": 195
  },
  "hsl": {
    "h": 194.815,
    "s": 71.053,
    "l": 44.706
  },
  "oklch": {
    "l": 0.64427,
    "c": 0.11562,
    "h": 226.2
  },
  "luminance": 0.27706
}

Semantic roles & 50–950 ramp

primary

#219BC3

secondary

#CF8871

accent

#663AEE

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #219BC3

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

Preview Lab → · Contrast checker → · Palette generator →