#218D9C#218D9C

#218D9C is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.2% C 0.094 H 209.1°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#218D9C
RGB	rgb(33, 141, 156)
HSL	hsl(187, 65%, 37%)
HSV	hsv(187, 79%, 61%)
CMYK	cmyk(78.8%, 9.6%, 0%, 38.8%)
CIE-LAB	lab(53.78, -23.85, -16.42)
CIE-LCH	lch(53.78, 28.96, 214.55°)
OKLab	oklab(59.23% -0.0822 -0.0457)
OKLCH	oklch(59.23% 0.094 209.1)
XYZ	xyz(16.1502, 21.7714, 34.7972)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D9C #9C3021

analogous

#219C6E #218D9C #21509C

triadic

#218D9C #9C218D #8D9C21

tetradic

#218D9C #6E219C #9C3021 #509C21

square

#218D9C #6E219C #9C3021 #509C21

split-complementary

#218D9C #9C2150 #9C6E21

monochromatic

#0C3237 #165F69 #218D9C #2CBBCF #5BCDDC

Accessibility & contrast

On white

3.92

#218D9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#218D9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D9C

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D9C	#FFFFFF	#000000	##000000
##218D9C	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80879D

Deuteranopia (green-blind)

#6F7B9C

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218d9c;
/* rgb */ color: rgb(33, 141, 156);
/* oklch */ color: oklch(59.2% 0.094 209.1);

Tailwind

colors: {
  custom: {
    50: '#72aeb9',
    500: '#218d9c',
    950: '#000000',
  },
}

SCSS

$custom: #218d9c;
$custom-light: #72aeb9;
$custom-dark: #000000;

JSON

{
  "hex": "#218d9c",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 156
  },
  "hsl": {
    "h": 187.317,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.5923,
    "c": 0.09409,
    "h": 209.1
  },
  "luminance": 0.21773
}

Semantic roles & 50–950 ramp

primary

#218D9C

secondary

#C16558

accent

#5440E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218D9C

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

Preview Lab → · Contrast checker → · Palette generator →