#218B81#218B81

#218B81 is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.7% C 0.093 H 185.5°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#218B81
RGB	rgb(33, 139, 129)
HSL	hsl(174, 62%, 34%)
HSV	hsv(174, 76%, 55%)
CMYK	cmyk(76.3%, 0%, 7.2%, 45.5%)
CIE-LAB	lab(52.26, -31.28, -3.08)
CIE-LCH	lch(52.26, 31.43, 185.62°)
OKLab	oklab(57.69% -0.0925 -0.0088)
OKLCH	oklch(57.69% 0.093 185.5)
XYZ	xyz(13.8204, 20.3719, 23.9684)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B81 #8B212B

analogous

#218B4C #218B81 #21608B

triadic

#218B81 #81218B #8B8121

tetradic

#218B81 #4C218B #8B212B #608B21

square

#218B81 #4C218B #8B212B #608B21

split-complementary

#218B81 #8B2160 #8B4C21

monochromatic

#0A2825 #155A53 #218B81 #2DBCAF #51D6C9

Accessibility & contrast

On white

4.14

#218B81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#218B81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B81

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B81	#FFFFFF	#000000	##000000
##218B81	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848381

Deuteranopia (green-blind)

#757882

Tritanopia (blue-blind)

#008E88

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218b81;
/* rgb */ color: rgb(33, 139, 129);
/* oklch */ color: oklch(57.7% 0.093 185.5);

Tailwind

colors: {
  custom: {
    50: '#6fada5',
    500: '#218b81',
    950: '#000000',
  },
}

SCSS

$custom: #218b81;
$custom-light: #6fada5;
$custom-dark: #000000;

JSON

{
  "hex": "#218b81",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 129
  },
  "hsl": {
    "h": 174.34,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.57694,
    "c": 0.09295,
    "h": 185.5
  },
  "luminance": 0.20374
}

Semantic roles & 50–950 ramp

primary

#218B81

secondary

#B94F59

accent

#4352E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#08100F

muted

#7B7F7F

Preview Lab

Preview with #218B81

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

Preview Lab → · Contrast checker → · Palette generator →