#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
RGBrgb(33, 139, 129)
HSLhsl(174, 62%, 34%)
HSVhsv(174, 76%, 55%)
CMYKcmyk(76.3%, 0%, 7.2%, 45.5%)
CIE-LABlab(52.26, -31.28, -3.08)
CIE-LCHlch(52.26, 31.43, 185.62°)
OKLaboklab(57.69% -0.0925 -0.0088)
OKLCHoklch(57.69% 0.093 185.5)
XYZxyz(13.8204, 20.3719, 23.9684)
Luminance0.2037 (WCAG relative)
Temperaturecool
Familyteal

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
##218B811.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

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 →

#218B81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva