#218C8B#218C8B

#218C8B is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.3% C 0.092 H 194.0°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#218C8B
RGB	rgb(33, 140, 139)
HSL	hsl(179, 62%, 34%)
HSV	hsv(179, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 0.7%, 45.1%)
CIE-LAB	lab(52.89, -28.76, -7.94)
CIE-LCH	lch(52.89, 29.83, 195.44°)
OKLab	oklab(58.31% -0.0888 -0.0221)
OKLCH	oklch(58.31% 0.092 194)
XYZ	xyz(14.6633, 20.9418, 27.6904)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C8B #8C2122

analogous

#218C56 #218C8B #21588C

triadic

#218C8B #8B218C #8C8B21

tetradic

#218C8B #56218C #8C2122 #588C21

square

#218C8B #56218C #8C2122 #588C21

split-complementary

#218C8B #8C2158 #8C5621

monochromatic

#0A2929 #155A5A #218C8B #2DBEBC #51D6D5

Accessibility & contrast

On white

4.05

#218C8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#218C8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C8B

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C8B	#FFFFFF	#000000	##000000
##218C8B	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83858B

Deuteranopia (green-blind)

#73798C

Tritanopia (blue-blind)

#00918B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218c8b;
/* rgb */ color: rgb(33, 140, 139);
/* oklch */ color: oklch(58.3% 0.092 194.0);

Tailwind

colors: {
  custom: {
    50: '#70aeac',
    500: '#218c8b',
    950: '#000000',
  },
}

SCSS

$custom: #218c8b;
$custom-light: #70aeac;
$custom-dark: #000000;

JSON

{
  "hex": "#218c8b",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 139
  },
  "hsl": {
    "h": 179.439,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.5831,
    "c": 0.09155,
    "h": 194
  },
  "luminance": 0.20944
}

Semantic roles & 50–950 ramp

primary

#218C8B

secondary

#B94F50

accent

#4344E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218C8B

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

Preview Lab → · Contrast checker → · Palette generator →