#218DA1#218DA1

#218DA1 is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.4% C 0.096 H 213.5°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#218DA1
RGB	rgb(33, 141, 161)
HSL	hsl(189, 66%, 38%)
HSV	hsv(189, 80%, 63%)
CMYK	cmyk(79.5%, 12.4%, 0%, 36.9%)
CIE-LAB	lab(53.97, -22.20, -19.02)
CIE-LCH	lch(53.97, 29.23, 220.59°)
OKLab	oklab(59.44% -0.0801 -0.0531)
OKLCH	oklch(59.44% 0.096 213.5)
XYZ	xyz(16.5823, 21.9442, 37.0730)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218DA1 #A13521

analogous

#21A175 #218DA1 #214DA1

triadic

#218DA1 #A1218D #8DA121

tetradic

#218DA1 #7521A1 #A13521 #4DA121

square

#218DA1 #7521A1 #A13521 #4DA121

split-complementary

#218DA1 #A1214D #A17521

monochromatic

#0C343B #17616E #218DA1 #2CB9D4 #5ECADE

Accessibility & contrast

On white

3.90

#218DA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#218DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218DA1

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218DA1	#FFFFFF	#000000	##000000
##218DA1	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)

#7E88A2

Deuteranopia (green-blind)

#6D7CA1

Tritanopia (blue-blind)

#009593

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218da1;
/* rgb */ color: rgb(33, 141, 161);
/* oklch */ color: oklch(59.4% 0.096 213.5);

Tailwind

colors: {
  custom: {
    50: '#73aebc',
    500: '#218da1',
    950: '#000000',
  },
}

SCSS

$custom: #218da1;
$custom-light: #73aebc;
$custom-dark: #000000;

JSON

{
  "hex": "#218da1",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 161
  },
  "hsl": {
    "h": 189.375,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59439,
    "c": 0.09609,
    "h": 213.5
  },
  "luminance": 0.21946
}

Semantic roles & 50–950 ramp

primary

#218DA1

secondary

#C36B5B

accent

#593FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #218DA1

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

Preview Lab → · Contrast checker → · Palette generator →