#218F9F#218F9F

#218F9F is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.096 H 209.8°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#218F9F
RGB	rgb(33, 143, 159)
HSL	hsl(188, 66%, 38%)
HSV	hsv(188, 79%, 62%)
CMYK	cmyk(79.2%, 10.1%, 0%, 37.6%)
CIE-LAB	lab(54.52, -23.90, -17.03)
CIE-LCH	lch(54.52, 29.34, 215.47°)
OKLab	oklab(59.86% -0.0829 -0.0474)
OKLCH	oklch(59.86% 0.096 209.8)
XYZ	xyz(16.7049, 22.4694, 36.2508)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F9F #9F3121

analogous

#219F70 #218F9F #21509F

triadic

#218F9F #9F218F #8F9F21

tetradic

#218F9F #70219F #9F3121 #509F21

square

#218F9F #70219F #9F3121 #509F21

split-complementary

#218F9F #9F2150 #9F7021

monochromatic

#0C343A #16616C #218F9F #2CBDD2 #5DCDDD

Accessibility & contrast

On white

3.82

#218F9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#218F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F9F

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F9F	#FFFFFF	#000000	##000000
##218F9F	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8189A0

Deuteranopia (green-blind)

#707D9F

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218f9f;
/* rgb */ color: rgb(33, 143, 159);
/* oklch */ color: oklch(59.9% 0.096 209.8);

Tailwind

colors: {
  custom: {
    50: '#73b0bb',
    500: '#218f9f',
    950: '#000000',
  },
}

SCSS

$custom: #218f9f;
$custom-light: #73b0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#218f9f",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 159
  },
  "hsl": {
    "h": 187.619,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59862,
    "c": 0.09554,
    "h": 209.8
  },
  "luminance": 0.22471
}

Semantic roles & 50–950 ramp

primary

#218F9F

secondary

#C2675A

accent

#553FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218F9F

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

Preview Lab → · Contrast checker → · Palette generator →