#218A78#218A78

#218A78 is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.1% C 0.096 H 178.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#218A78
RGB	rgb(33, 138, 120)
HSL	hsl(170, 61%, 34%)
HSV	hsv(170, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 13%, 45.9%)
CIE-LAB	lab(51.67, -33.39, 1.29)
CIE-LCH	lch(51.67, 33.42, 177.78°)
OKLab	oklab(57.13% -0.0959 0.0029)
OKLCH	oklch(57.13% 0.096 178.3)
XYZ	xyz(13.1041, 19.8548, 20.9074)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A78 #8A2133

analogous

#218A43 #218A78 #21678A

triadic

#218A78 #78218A #8A7821

tetradic

#218A78 #43218A #8A2133 #678A21

square

#218A78 #43218A #8A2133 #678A21

split-complementary

#218A78 #8A2167 #8A4321

monochromatic

#092722 #15594D #218A78 #2DBBA3 #50D5BE

Accessibility & contrast

On white

4.22

#218A78 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#218A78 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A78

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A78	#FFFFFF	#000000	##000000
##218A78	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848177

Deuteranopia (green-blind)

#767779

Tritanopia (blue-blind)

#008C85

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218a78;
/* rgb */ color: rgb(33, 138, 120);
/* oklch */ color: oklch(57.1% 0.096 178.3);

Tailwind

colors: {
  custom: {
    50: '#6ead9e',
    500: '#218a78',
    950: '#000000',
  },
}

SCSS

$custom: #218a78;
$custom-light: #6ead9e;
$custom-dark: #000000;

JSON

{
  "hex": "#218a78",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 120
  },
  "hsl": {
    "h": 169.714,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57133,
    "c": 0.09591,
    "h": 178.3
  },
  "luminance": 0.19856
}

Semantic roles & 50–950 ramp

primary

#218A78

secondary

#B94E60

accent

#435FE5

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #218A78

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

Preview Lab → · Contrast checker → · Palette generator →