#218D81#218D81

#218D81 is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.2% C 0.095 H 183.8°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#218D81
RGB	rgb(33, 141, 129)
HSL	hsl(173, 62%, 34%)
HSV	hsv(173, 77%, 55%)
CMYK	cmyk(76.6%, 0%, 8.5%, 44.7%)
CIE-LAB	lab(52.90, -32.23, -2.13)
CIE-LCH	lch(52.90, 32.30, 183.78°)
OKLab	oklab(58.22% -0.0946 -0.0063)
OKLCH	oklch(58.22% 0.095 183.8)
XYZ	xyz(14.1126, 20.9564, 24.0658)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D81 #8D212D

analogous

#218D4B #218D81 #21638D

triadic

#218D81 #81218D #8D8121

tetradic

#218D81 #4B218D #8D212D #638D21

square

#218D81 #4B218D #8D212D #638D21

split-complementary

#218D81 #8D2163 #8D4B21

monochromatic

#0A2A26 #155B54 #218D81 #2DBFAE #52D6C8

Accessibility & contrast

On white

4.04

#218D81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#218D81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D81

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D81	#FFFFFF	#000000	##000000
##218D81	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868581

Deuteranopia (green-blind)

#777A82

Tritanopia (blue-blind)

#009089

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218d81;
/* rgb */ color: rgb(33, 141, 129);
/* oklch */ color: oklch(58.2% 0.095 183.8);

Tailwind

colors: {
  custom: {
    50: '#6fafa5',
    500: '#218d81',
    950: '#000000',
  },
}

SCSS

$custom: #218d81;
$custom-light: #6fafa5;
$custom-dark: #000000;

JSON

{
  "hex": "#218d81",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 129
  },
  "hsl": {
    "h": 173.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58221,
    "c": 0.09484,
    "h": 183.8
  },
  "luminance": 0.20958
}

Semantic roles & 50–950 ramp

primary

#218D81

secondary

#BA505C

accent

#4355E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #218D81

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

Preview Lab → · Contrast checker → · Palette generator →