#218CA9#218CA9

#218CA9 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.5% C 0.101 H 221.1°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#218CA9
RGB	rgb(33, 140, 169)
HSL	hsl(193, 67%, 40%)
HSV	hsv(193, 80%, 66%)
CMYK	cmyk(80.5%, 17.2%, 0%, 33.7%)
CIE-LAB	lab(53.97, -18.96, -23.63)
CIE-LCH	lch(53.97, 30.29, 231.25°)
OKLab	oklab(59.54% -0.0758 -0.0662)
OKLCH	oklch(59.54% 0.101 221.1)
XYZ	xyz(17.1637, 21.9419, 40.8590)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218CA9 #A93E21

analogous

#21A982 #218CA9 #2148A9

triadic

#218CA9 #A9218C #8CA921

tetradic

#218CA9 #8221A9 #A93E21 #48A921

square

#218CA9 #8221A9 #A93E21 #48A921

split-complementary

#218CA9 #A92148 #A98221

monochromatic

#0D3743 #176276 #218CA9 #31B3D7 #64C6E1

Accessibility & contrast

On white

3.90

#218CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#218CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218CA9

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218CA9	#FFFFFF	#000000	##000000
##218CA9	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88AB

Deuteranopia (green-blind)

#697BA9

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218ca9;
/* rgb */ color: rgb(33, 140, 169);
/* oklch */ color: oklch(59.5% 0.101 221.1);

Tailwind

colors: {
  custom: {
    50: '#74adc2',
    500: '#218ca9',
    950: '#000000',
  },
}

SCSS

$custom: #218ca9;
$custom-light: #74adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#218ca9",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 169
  },
  "hsl": {
    "h": 192.794,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.5954,
    "c": 0.10066,
    "h": 221.1
  },
  "luminance": 0.21944
}

Semantic roles & 50–950 ramp

primary

#218CA9

secondary

#C67660

accent

#623EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218CA9

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

Preview Lab → · Contrast checker → · Palette generator →