#218188#218188

#218188 is a mid, moderate teal. Relative luminance 0.178; OKLCH L 55.3% C 0.085 H 202.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#218188
RGB	rgb(33, 129, 136)
HSL	hsl(184, 61%, 33%)
HSV	hsv(184, 76%, 53%)
CMYK	cmyk(75.7%, 5.1%, 0%, 46.7%)
CIE-LAB	lab(49.25, -24.18, -11.64)
CIE-LCH	lch(49.25, 26.84, 205.71°)
OKLab	oklab(55.33% -0.0787 -0.0323)
OKLCH	oklch(55.33% 0.085 202.3)
XYZ	xyz(12.9194, 17.7999, 26.0426)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218188 #882821

analogous

#21885B #218188 #214D88

triadic

#218188 #882181 #818821

tetradic

#218188 #5B2188 #882821 #4D8821

square

#218188 #5B2188 #882821 #4D8821

split-complementary

#218188 #88214D #885B21

monochromatic

#092425 #155257 #218188 #2DB0B9 #4FCBD4

Accessibility & contrast

On white

4.61

#218188 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#218188 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #218188

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218188	#FFFFFF	#000000	##FFFFFF
##218188	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#777B89

Deuteranopia (green-blind)

#687088

Tritanopia (blue-blind)

#008683

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #218188;
/* rgb */ color: rgb(33, 129, 136);
/* oklch */ color: oklch(55.3% 0.085 202.3);

Tailwind

colors: {
  custom: {
    50: '#6ea6aa',
    500: '#218188',
    950: '#000000',
  },
}

SCSS

$custom: #218188;
$custom-light: #6ea6aa;
$custom-dark: #000000;

JSON

{
  "hex": "#218188",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 136
  },
  "hsl": {
    "h": 184.078,
    "s": 60.947,
    "l": 33.137
  },
  "oklch": {
    "l": 0.5533,
    "c": 0.08513,
    "h": 202.3
  },
  "luminance": 0.17801
}

Semantic roles & 50–950 ramp

primary

#218188

secondary

#B8544D

accent

#4F44E4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #218188

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

Preview Lab → · Contrast checker → · Palette generator →