#218E9C#218E9C

#218E9C is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.5% C 0.094 H 208.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#218E9C
RGB	rgb(33, 142, 156)
HSL	hsl(187, 65%, 37%)
HSV	hsv(187, 79%, 61%)
CMYK	cmyk(78.8%, 9%, 0%, 38.8%)
CIE-LAB	lab(54.10, -24.37, -15.94)
CIE-LCH	lch(54.10, 29.12, 213.20°)
OKLab	oklab(59.48% -0.0832 -0.0444)
OKLCH	oklch(59.48% 0.094 208.1)
XYZ	xyz(16.2983, 22.0676, 34.8465)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E9C #9C2F21

analogous

#219C6C #218E9C #21519C

triadic

#218E9C #9C218E #8E9C21

tetradic

#218E9C #6C219C #9C2F21 #519C21

square

#218E9C #6C219C #9C2F21 #519C21

split-complementary

#218E9C #9C2151 #9C6C21

monochromatic

#0C3237 #166069 #218E9C #2CBCCF #5BCEDC

Accessibility & contrast

On white

3.88

#218E9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#218E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E9C

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E9C	#FFFFFF	#000000	##000000
##218E9C	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889D

Deuteranopia (green-blind)

#707C9C

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218e9c;
/* rgb */ color: rgb(33, 142, 156);
/* oklch */ color: oklch(59.5% 0.094 208.1);

Tailwind

colors: {
  custom: {
    50: '#72afb9',
    500: '#218e9c',
    950: '#000000',
  },
}

SCSS

$custom: #218e9c;
$custom-light: #72afb9;
$custom-dark: #000000;

JSON

{
  "hex": "#218e9c",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 156
  },
  "hsl": {
    "h": 186.829,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.59484,
    "c": 0.09432,
    "h": 208.1
  },
  "luminance": 0.2207
}

Semantic roles & 50–950 ramp

primary

#218E9C

secondary

#C16458

accent

#5340E8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218E9C

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

Preview Lab → · Contrast checker → · Palette generator →