#218C81#218C81

#218C81 is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.0% C 0.094 H 184.6°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#218C81
RGB	rgb(33, 140, 129)
HSL	hsl(174, 62%, 34%)
HSV	hsv(174, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 7.9%, 45.1%)
CIE-LAB	lab(52.58, -31.75, -2.60)
CIE-LCH	lch(52.58, 31.86, 184.69°)
OKLab	oklab(57.96% -0.0936 -0.0075)
OKLCH	oklch(57.96% 0.094 184.6)
XYZ	xyz(13.9658, 20.6628, 24.0169)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C81 #8C212C

analogous

#218C4C #218C81 #21628C

triadic

#218C81 #81218C #8C8121

tetradic

#218C81 #4C218C #8C212C #628C21

square

#218C81 #4C218C #8C212C #628C21

split-complementary

#218C81 #8C2162 #8C4C21

monochromatic

#0A2926 #155A53 #218C81 #2DBEAF #51D6C8

Accessibility & contrast

On white

4.09

#218C81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#218C81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C81

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C81	#FFFFFF	#000000	##000000
##218C81	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858481

Deuteranopia (green-blind)

#767982

Tritanopia (blue-blind)

#008F88

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218c81;
/* rgb */ color: rgb(33, 140, 129);
/* oklch */ color: oklch(58.0% 0.094 184.6);

Tailwind

colors: {
  custom: {
    50: '#6faea5',
    500: '#218c81',
    950: '#000000',
  },
}

SCSS

$custom: #218c81;
$custom-light: #6faea5;
$custom-dark: #000000;

JSON

{
  "hex": "#218c81",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 129
  },
  "hsl": {
    "h": 173.832,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.57958,
    "c": 0.09388,
    "h": 184.6
  },
  "luminance": 0.20664
}

Semantic roles & 50–950 ramp

primary

#218C81

secondary

#B94F5A

accent

#4354E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#08100F

muted

#7B7F7F

Preview Lab

Preview with #218C81

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

Preview Lab → · Contrast checker → · Palette generator →