#218FA1#218FA1

#218FA1 is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.096 H 211.5°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#218FA1
RGB	rgb(33, 143, 161)
HSL	hsl(188, 66%, 38%)
HSV	hsv(188, 80%, 63%)
CMYK	cmyk(79.5%, 11.2%, 0%, 36.9%)
CIE-LAB	lab(54.59, -23.24, -18.07)
CIE-LCH	lch(54.59, 29.44, 217.86°)
OKLab	oklab(59.95% -0.0821 -0.0504)
OKLCH	oklch(59.95% 0.096 211.5)
XYZ	xyz(16.8799, 22.5394, 37.1722)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218FA1 #A13321

analogous

#21A173 #218FA1 #214FA1

triadic

#218FA1 #A1218F #8FA121

tetradic

#218FA1 #7321A1 #A13321 #4FA121

square

#218FA1 #7321A1 #A13321 #4FA121

split-complementary

#218FA1 #A1214F #A17321

monochromatic

#0C353B #17626E #218FA1 #2CBCD4 #5ECCDE

Accessibility & contrast

On white

3.81

#218FA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#218FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FA1

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218FA1	#FFFFFF	#000000	##000000
##218FA1	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA2

Deuteranopia (green-blind)

#707DA1

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #218fa1;
/* rgb */ color: rgb(33, 143, 161);
/* oklch */ color: oklch(59.9% 0.096 211.5);

Tailwind

colors: {
  custom: {
    50: '#73b0bc',
    500: '#218fa1',
    950: '#000000',
  },
}

SCSS

$custom: #218fa1;
$custom-light: #73b0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#218fa1",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 161
  },
  "hsl": {
    "h": 188.438,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59945,
    "c": 0.09631,
    "h": 211.5
  },
  "luminance": 0.22541
}

Semantic roles & 50–950 ramp

primary

#218FA1

secondary

#C36A5B

accent

#573FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #218FA1

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

Preview Lab → · Contrast checker → · Palette generator →