#218F9D#218F9D

#218F9D is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.8% C 0.095 H 208.0°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#218F9D
RGB	rgb(33, 143, 157)
HSL	hsl(187, 65%, 37%)
HSV	hsv(187, 79%, 62%)
CMYK	cmyk(79%, 8.9%, 0%, 38.4%)
CIE-LAB	lab(54.45, -24.55, -15.99)
CIE-LCH	lch(54.45, 29.30, 213.07°)
OKLab	oklab(59.78% -0.0838 -0.0445)
OKLCH	oklch(59.78% 0.095 208)
XYZ	xyz(16.5328, 22.4005, 35.3441)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F9D #9D2F21

analogous

#219D6D #218F9D #21519D

triadic

#218F9D #9D218F #8F9D21

tetradic

#218F9D #6D219D #9D2F21 #519D21

square

#218F9D #6D219D #9D2F21 #519D21

split-complementary

#218F9D #9D2151 #9D6D21

monochromatic

#0C3338 #16616A #218F9D #2CBDD0 #5CCEDD

Accessibility & contrast

On white

3.83

#218F9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#218F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F9D

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F9D	#FFFFFF	#000000	##000000
##218F9D	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82899E

Deuteranopia (green-blind)

#717D9D

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218f9d;
/* rgb */ color: rgb(33, 143, 157);
/* oklch */ color: oklch(59.8% 0.095 208.0);

Tailwind

colors: {
  custom: {
    50: '#73b0ba',
    500: '#218f9d',
    950: '#000000',
  },
}

SCSS

$custom: #218f9d;
$custom-light: #73b0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#218f9d",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 157
  },
  "hsl": {
    "h": 186.774,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.5978,
    "c": 0.09488,
    "h": 208
  },
  "luminance": 0.22403
}

Semantic roles & 50–950 ramp

primary

#218F9D

secondary

#C16559

accent

#5340E8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218F9D

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

Preview Lab → · Contrast checker → · Palette generator →