#218E8B#218E8B

#218E8B is a mid, moderate teal. Relative luminance 0.215; OKLCH L 58.8% C 0.093 H 192.1°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#218E8B
RGB	rgb(33, 142, 139)
HSL	hsl(178, 62%, 34%)
HSV	hsv(178, 77%, 56%)
CMYK	cmyk(76.8%, 0%, 2.1%, 44.3%)
CIE-LAB	lab(53.53, -29.73, -6.99)
CIE-LCH	lch(53.53, 30.54, 193.23°)
OKLab	oklab(58.83% -0.0909 -0.0195)
OKLCH	oklch(58.83% 0.093 192.1)
XYZ	xyz(14.9582, 21.5316, 27.7887)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E8B #8E2124

analogous

#218E55 #218E8B #215B8E

triadic

#218E8B #8B218E #8E8B21

tetradic

#218E8B #55218E #8E2124 #5B8E21

square

#218E8B #55218E #8E2124 #5B8E21

split-complementary

#218E8B #8E215B #8E5521

monochromatic

#0A2B2A #155C5A #218E8B #2DC0BC #52D7D3

Accessibility & contrast

On white

3.96

#218E8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#218E8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E8B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E8B	#FFFFFF	#000000	##000000
##218E8B	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85868B

Deuteranopia (green-blind)

#767B8C

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218e8b;
/* rgb */ color: rgb(33, 142, 139);
/* oklch */ color: oklch(58.8% 0.093 192.1);

Tailwind

colors: {
  custom: {
    50: '#70afac',
    500: '#218e8b',
    950: '#000000',
  },
}

SCSS

$custom: #218e8b;
$custom-light: #70afac;
$custom-dark: #000000;

JSON

{
  "hex": "#218e8b",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 139
  },
  "hsl": {
    "h": 178.349,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.5883,
    "c": 0.09297,
    "h": 192.1
  },
  "luminance": 0.21533
}

Semantic roles & 50–950 ramp

primary

#218E8B

secondary

#BA5053

accent

#4247E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218E8B

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

Preview Lab → · Contrast checker → · Palette generator →