#218CA6#218CA6

#218CA6 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.4% C 0.099 H 218.7°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#218CA6
RGB	rgb(33, 140, 166)
HSL	hsl(192, 67%, 39%)
HSV	hsv(192, 80%, 65%)
CMYK	cmyk(80.1%, 15.7%, 0%, 34.9%)
CIE-LAB	lab(53.85, -19.99, -22.09)
CIE-LCH	lch(53.85, 29.79, 227.86°)
OKLab	oklab(59.4% -0.077 -0.0618)
OKLCH	oklch(59.4% 0.099 218.7)
XYZ	xyz(16.8853, 21.8306, 39.3928)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218CA6 #A63B21

analogous

#21A67E #218CA6 #214AA6

triadic

#218CA6 #A6218C #8CA621

tetradic

#218CA6 #7E21A6 #A63B21 #4AA621

square

#218CA6 #7E21A6 #A63B21 #4AA621

split-complementary

#218CA6 #A6214A #A67E21

monochromatic

#0D3640 #176173 #218CA6 #2FB5D6 #62C7E0

Accessibility & contrast

On white

3.91

#218CA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#218CA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218CA6

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218CA6	#FFFFFF	#000000	##000000
##218CA6	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C88A7

Deuteranopia (green-blind)

#6A7BA6

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218ca6;
/* rgb */ color: rgb(33, 140, 166);
/* oklch */ color: oklch(59.4% 0.099 218.7);

Tailwind

colors: {
  custom: {
    50: '#74adc0',
    500: '#218ca6',
    950: '#000000',
  },
}

SCSS

$custom: #218ca6;
$custom-light: #74adc0;
$custom-dark: #000000;

JSON

{
  "hex": "#218ca6",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 166
  },
  "hsl": {
    "h": 191.729,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.59405,
    "c": 0.09876,
    "h": 218.7
  },
  "luminance": 0.21833
}

Semantic roles & 50–950 ramp

primary

#218CA6

secondary

#C5725E

accent

#603EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218CA6

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

Preview Lab → · Contrast checker → · Palette generator →