#218C9B#218C9B

#218C9B is a mid, moderate teal. Relative luminance 0.214; OKLCH L 58.9% C 0.094 H 209.2°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#218C9B
RGB	rgb(33, 140, 155)
HSL	hsl(187, 65%, 37%)
HSV	hsv(187, 79%, 61%)
CMYK	cmyk(78.7%, 9.7%, 0%, 39.2%)
CIE-LAB	lab(53.43, -23.67, -16.38)
CIE-LCH	lch(53.43, 28.78, 214.69°)
OKLab	oklab(58.93% -0.0816 -0.0456)
OKLCH	oklch(58.93% 0.094 209.2)
XYZ	xyz(15.9191, 21.4441, 34.3041)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C9B #9B3021

analogous

#219B6D #218C9B #214F9B

triadic

#218C9B #9B218C #8C9B21

tetradic

#218C9B #6D219B #9B3021 #4F9B21

square

#218C9B #6D219B #9B3021 #4F9B21

split-complementary

#218C9B #9B214F #9B6D21

monochromatic

#0C3136 #165E69 #218C9B #2CBACD #5ACCDC

Accessibility & contrast

On white

3.97

#218C9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#218C9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C9B

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C9B	#FFFFFF	#000000	##000000
##218C9B	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F879C

Deuteranopia (green-blind)

#6E7A9B

Tritanopia (blue-blind)

#009390

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218c9b;
/* rgb */ color: rgb(33, 140, 155);
/* oklch */ color: oklch(58.9% 0.094 209.2);

Tailwind

colors: {
  custom: {
    50: '#72aeb8',
    500: '#218c9b',
    950: '#000000',
  },
}

SCSS

$custom: #218c9b;
$custom-light: #72aeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#218c9b",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 155
  },
  "hsl": {
    "h": 187.377,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.58934,
    "c": 0.09353,
    "h": 209.2
  },
  "luminance": 0.21446
}

Semantic roles & 50–950 ramp

primary

#218C9B

secondary

#C06458

accent

#5540E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218C9B

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

Preview Lab → · Contrast checker → · Palette generator →