#218A7B#218A7B

#218A7B is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.2% C 0.094 H 180.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#218A7B
RGB	rgb(33, 138, 123)
HSL	hsl(171, 61%, 34%)
HSV	hsv(171, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 10.9%, 45.9%)
CIE-LAB	lab(51.76, -32.54, -0.33)
CIE-LCH	lch(51.76, 32.55, 180.57°)
OKLab	oklab(57.23% -0.0944 -0.0014)
OKLCH	oklch(57.23% 0.094 180.9)
XYZ	xyz(13.2891, 19.9288, 21.8813)
Luminance	0.1993 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A7B #8A2130

analogous

#218A46 #218A7B #21648A

triadic

#218A7B #7B218A #8A7B21

tetradic

#218A7B #46218A #8A2130 #648A21

square

#218A7B #46218A #8A2130 #648A21

split-complementary

#218A7B #8A2164 #8A4621

monochromatic

#092723 #15594F #218A7B #2DBBA7 #50D5C2

Accessibility & contrast

On white

4.21

#218A7B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#218A7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A7B

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A7B	#FFFFFF	#000000	##000000
##218A7B	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84817A

Deuteranopia (green-blind)

#75777C

Tritanopia (blue-blind)

#008D85

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218a7b;
/* rgb */ color: rgb(33, 138, 123);
/* oklch */ color: oklch(57.2% 0.094 180.9);

Tailwind

colors: {
  custom: {
    50: '#6eada1',
    500: '#218a7b',
    950: '#000000',
  },
}

SCSS

$custom: #218a7b;
$custom-light: #6eada1;
$custom-dark: #000000;

JSON

{
  "hex": "#218a7b",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 123
  },
  "hsl": {
    "h": 171.429,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.5723,
    "c": 0.09441,
    "h": 180.9
  },
  "luminance": 0.1993
}

Semantic roles & 50–950 ramp

primary

#218A7B

secondary

#B94E5D

accent

#435AE5

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #218A7B

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

Preview Lab → · Contrast checker → · Palette generator →