#218E81#218E81

#218E81 is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.5% C 0.096 H 183.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#218E81
RGB	rgb(33, 142, 129)
HSL	hsl(173, 62%, 34%)
HSV	hsv(173, 77%, 56%)
CMYK	cmyk(76.8%, 0%, 9.2%, 44.3%)
CIE-LAB	lab(53.22, -32.70, -1.65)
CIE-LCH	lch(53.22, 32.74, 182.89°)
OKLab	oklab(58.49% -0.0957 -0.005)
OKLCH	oklch(58.49% 0.096 183)
XYZ	xyz(14.2607, 21.2526, 24.1152)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E81 #8E212E

analogous

#218E4B #218E81 #21658E

triadic

#218E81 #81218E #8E8121

tetradic

#218E81 #4B218E #8E212E #658E21

square

#218E81 #4B218E #8E212E #658E21

split-complementary

#218E81 #8E2165 #8E4B21

monochromatic

#0A2B27 #155C54 #218E81 #2DC0AE #52D7C7

Accessibility & contrast

On white

4.00

#218E81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#218E81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E81

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E81	#FFFFFF	#000000	##000000
##218E81	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#878581

Deuteranopia (green-blind)

#787B82

Tritanopia (blue-blind)

#00918A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #218e81;
/* rgb */ color: rgb(33, 142, 129);
/* oklch */ color: oklch(58.5% 0.096 183.0);

Tailwind

colors: {
  custom: {
    50: '#70afa5',
    500: '#218e81',
    950: '#000000',
  },
}

SCSS

$custom: #218e81;
$custom-light: #70afa5;
$custom-dark: #000000;

JSON

{
  "hex": "#218e81",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 129
  },
  "hsl": {
    "h": 172.844,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58485,
    "c": 0.0958,
    "h": 183
  },
  "luminance": 0.21254
}

Semantic roles & 50–950 ramp

primary

#218E81

secondary

#BA505D

accent

#4256E5

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #218E81

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

Preview Lab → · Contrast checker → · Palette generator →