#218FA6#218FA6

#218FA6 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.2% C 0.099 H 215.8°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#218FA6
RGB	rgb(33, 143, 166)
HSL	hsl(190, 67%, 39%)
HSV	hsv(190, 80%, 65%)
CMYK	cmyk(80.1%, 13.9%, 0%, 34.9%)
CIE-LAB	lab(54.78, -21.57, -20.65)
CIE-LCH	lch(54.78, 29.86, 223.75°)
OKLab	oklab(60.16% -0.08 -0.0577)
OKLCH	oklch(60.16% 0.099 215.8)
XYZ	xyz(17.3296, 22.7193, 39.5409)
Luminance	0.2272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218FA6 #A63821

analogous

#21A67B #218FA6 #214DA6

triadic

#218FA6 #A6218F #8FA621

tetradic

#218FA6 #7B21A6 #A63821 #4DA621

square

#218FA6 #7B21A6 #A63821 #4DA621

split-complementary

#218FA6 #A6214D #A67B21

monochromatic

#0D3740 #176373 #218FA6 #2FB9D6 #62CAE0

Accessibility & contrast

On white

3.79

#218FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#218FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FA6

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218FA6	#FFFFFF	#000000	##000000
##218FA6	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8AA7

Deuteranopia (green-blind)

#6E7EA6

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #218fa6;
/* rgb */ color: rgb(33, 143, 166);
/* oklch */ color: oklch(60.2% 0.099 215.8);

Tailwind

colors: {
  custom: {
    50: '#74b0c0',
    500: '#218fa6',
    950: '#000000',
  },
}

SCSS

$custom: #218fa6;
$custom-light: #74b0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#218fa6",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 166
  },
  "hsl": {
    "h": 190.376,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.60158,
    "c": 0.09863,
    "h": 215.8
  },
  "luminance": 0.22721
}

Semantic roles & 50–950 ramp

primary

#218FA6

secondary

#C5705E

accent

#5C3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218FA6

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

Preview Lab → · Contrast checker → · Palette generator →