#218A9E#218A9E

#218A9E is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.6% C 0.094 H 213.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#218A9E
RGB	rgb(33, 138, 158)
HSL	hsl(190, 65%, 37%)
HSV	hsv(190, 79%, 62%)
CMYK	cmyk(79.1%, 12.7%, 0%, 38%)
CIE-LAB	lab(52.91, -21.63, -18.90)
CIE-LCH	lch(52.91, 28.72, 221.15°)
OKLab	oklab(58.55% -0.0784 -0.0527)
OKLCH	oklch(58.55% 0.094 213.9)
XYZ	xyz(15.8846, 20.9670, 35.5510)
Luminance	0.2097 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A9E #9E3521

analogous

#219E74 #218A9E #214C9E

triadic

#218A9E #9E218A #8A9E21

tetradic

#218A9E #74219E #9E3521 #4C9E21

square

#218A9E #74219E #9E3521 #4C9E21

split-complementary

#218A9E #9E214C #9E7421

monochromatic

#0C3239 #165E6B #218A9E #2CB6D1 #5CC8DD

Accessibility & contrast

On white

4.04

#218A9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#218A9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A9E

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A9E	#FFFFFF	#000000	##000000
##218A9E	1.00	4.04	5.19	5.19
#FFFFFF	4.04	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)

#7B859F

Deuteranopia (green-blind)

#6B799E

Tritanopia (blue-blind)

#009290

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218a9e;
/* rgb */ color: rgb(33, 138, 158);
/* oklch */ color: oklch(58.6% 0.094 213.9);

Tailwind

colors: {
  custom: {
    50: '#72acba',
    500: '#218a9e',
    950: '#000000',
  },
}

SCSS

$custom: #218a9e;
$custom-light: #72acba;
$custom-dark: #000000;

JSON

{
  "hex": "#218a9e",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 158
  },
  "hsl": {
    "h": 189.6,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.58552,
    "c": 0.09446,
    "h": 213.9
  },
  "luminance": 0.20969
}

Semantic roles & 50–950 ramp

primary

#218A9E

secondary

#C16A59

accent

#5A3FE8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218A9E

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

Preview Lab → · Contrast checker → · Palette generator →