#218F8A#218F8A

#218F8A is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.1% C 0.094 H 190.3°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#218F8A
RGB	rgb(33, 143, 138)
HSL	hsl(177, 63%, 35%)
HSV	hsv(177, 77%, 56%)
CMYK	cmyk(76.9%, 0%, 3.5%, 43.9%)
CIE-LAB	lab(53.82, -30.52, -5.98)
CIE-LCH	lch(53.82, 31.10, 191.09°)
OKLab	oklab(59.06% -0.0924 -0.0167)
OKLCH	oklch(59.06% 0.094 190.3)
XYZ	xyz(15.0349, 21.8014, 27.4555)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F8A #8F2126

analogous

#218F53 #218F8A #215D8F

triadic

#218F8A #8A218F #8F8A21

tetradic

#218F8A #53218F #8F2126 #5D8F21

square

#218F8A #53218F #8F2126 #5D8F21

split-complementary

#218F8A #8F215D #8F5321

monochromatic

#0A2C2A #165D5A #218F8A #2CC1BA #53D7D1

Accessibility & contrast

On white

3.92

#218F8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#218F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F8A

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F8A	#FFFFFF	#000000	##000000
##218F8A	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878A

Deuteranopia (green-blind)

#777C8B

Tritanopia (blue-blind)

#00938D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218f8a;
/* rgb */ color: rgb(33, 143, 138);
/* oklch */ color: oklch(59.1% 0.094 190.3);

Tailwind

colors: {
  custom: {
    50: '#70b0ac',
    500: '#218f8a',
    950: '#000000',
  },
}

SCSS

$custom: #218f8a;
$custom-light: #70b0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#218f8a",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 138
  },
  "hsl": {
    "h": 177.273,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.59055,
    "c": 0.09391,
    "h": 190.3
  },
  "luminance": 0.21803
}

Semantic roles & 50–950 ramp

primary

#218F8A

secondary

#BB5156

accent

#424AE6

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218F8A

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

Preview Lab → · Contrast checker → · Palette generator →