#218B8F#218B8F

#218B8F is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.091 H 198.8°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#218B8F
RGB	rgb(33, 139, 143)
HSL	hsl(182, 63%, 35%)
HSV	hsv(182, 77%, 56%)
CMYK	cmyk(76.9%, 2.8%, 0%, 43.9%)
CIE-LAB	lab(52.70, -27.02, -10.55)
CIE-LCH	lch(52.70, 29.00, 201.32°)
OKLab	oklab(58.2% -0.086 -0.0293)
OKLCH	oklch(58.2% 0.091 198.8)
XYZ	xyz(14.8155, 20.7699, 29.2094)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B8F #8F2521

analogous

#218F5C #218B8F #21548F

triadic

#218B8F #8F218B #8B8F21

tetradic

#218B8F #5C218F #8F2521 #548F21

square

#218B8F #5C218F #8F2521 #548F21

split-complementary

#218B8F #8F2154 #8F5C21

monochromatic

#0A2A2C #165B5D #218B8F #2CBBC1 #53D3D7

Accessibility & contrast

On white

4.07

#218B8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#218B8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B8F

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B8F	#FFFFFF	#000000	##000000
##218B8F	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81848F

Deuteranopia (green-blind)

#717990

Tritanopia (blue-blind)

#00908C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218b8f;
/* rgb */ color: rgb(33, 139, 143);
/* oklch */ color: oklch(58.2% 0.091 198.8);

Tailwind

colors: {
  custom: {
    50: '#70adaf',
    500: '#218b8f',
    950: '#000000',
  },
}

SCSS

$custom: #218b8f;
$custom-light: #70adaf;
$custom-dark: #000000;

JSON

{
  "hex": "#218b8f",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 143
  },
  "hsl": {
    "h": 182.182,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.582,
    "c": 0.09082,
    "h": 198.8
  },
  "luminance": 0.20772
}

Semantic roles & 50–950 ramp

primary

#218B8F

secondary

#BB5551

accent

#4842E6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218B8F

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

Preview Lab → · Contrast checker → · Palette generator →