#218F9E#218F9E

#218F9E is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.8% C 0.095 H 208.9°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#218F9E
RGB	rgb(33, 143, 158)
HSL	hsl(187, 65%, 37%)
HSV	hsv(187, 79%, 62%)
CMYK	cmyk(79.1%, 9.5%, 0%, 38%)
CIE-LAB	lab(54.49, -24.23, -16.51)
CIE-LCH	lch(54.49, 29.32, 214.27°)
OKLab	oklab(59.82% -0.0834 -0.046)
OKLCH	oklch(59.82% 0.095 208.9)
XYZ	xyz(16.6185, 22.4348, 35.7956)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F9E #9E3021

analogous

#219E6F #218F9E #21519E

triadic

#218F9E #9E218F #8F9E21

tetradic

#218F9E #6F219E #9E3021 #519E21

square

#218F9E #6F219E #9E3021 #519E21

split-complementary

#218F9E #9E2151 #9E6F21

monochromatic

#0C3339 #16616B #218F9E #2CBDD1 #5CCEDD

Accessibility & contrast

On white

3.83

#218F9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#218F9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F9E

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F9E	#FFFFFF	#000000	##000000
##218F9E	1.00	3.83	5.49	5.49
#FFFFFF	3.83	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)

#82899F

Deuteranopia (green-blind)

#717D9E

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218f9e;
/* rgb */ color: rgb(33, 143, 158);
/* oklch */ color: oklch(59.8% 0.095 208.9);

Tailwind

colors: {
  custom: {
    50: '#73b0ba',
    500: '#218f9e',
    950: '#000000',
  },
}

SCSS

$custom: #218f9e;
$custom-light: #73b0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#218f9e",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 158
  },
  "hsl": {
    "h": 187.2,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.59821,
    "c": 0.0952,
    "h": 208.9
  },
  "luminance": 0.22437
}

Semantic roles & 50–950 ramp

primary

#218F9E

secondary

#C16659

accent

#543FE8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218F9E

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

Preview Lab → · Contrast checker → · Palette generator →