#218E9B#218E9B

#218E9B is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.4% C 0.094 H 207.2°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#218E9B
RGB	rgb(33, 142, 155)
HSL	hsl(186, 65%, 37%)
HSV	hsv(186, 79%, 61%)
CMYK	cmyk(78.7%, 8.4%, 0%, 39.2%)
CIE-LAB	lab(54.06, -24.69, -15.42)
CIE-LCH	lch(54.06, 29.11, 211.99°)
OKLab	oklab(59.44% -0.0837 -0.0429)
OKLCH	oklch(59.44% 0.094 207.2)
XYZ	xyz(16.2140, 22.0339, 34.4024)
Luminance	0.2204 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E9B #9B2E21

analogous

#219B6B #218E9B #21519B

triadic

#218E9B #9B218E #8E9B21

tetradic

#218E9B #6B219B #9B2E21 #519B21

square

#218E9B #6B219B #9B2E21 #519B21

split-complementary

#218E9B #9B2151 #9B6B21

monochromatic

#0C3236 #166069 #218E9B #2CBCCD #5ACEDC

Accessibility & contrast

On white

3.88

#218E9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#218E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E9B

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E9B	#FFFFFF	#000000	##000000
##218E9B	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)

#81889C

Deuteranopia (green-blind)

#717C9B

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218e9b;
/* rgb */ color: rgb(33, 142, 155);
/* oklch */ color: oklch(59.4% 0.094 207.2);

Tailwind

colors: {
  custom: {
    50: '#72afb8',
    500: '#218e9b',
    950: '#000000',
  },
}

SCSS

$custom: #218e9b;
$custom-light: #72afb8;
$custom-dark: #000000;

JSON

{
  "hex": "#218e9b",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 155
  },
  "hsl": {
    "h": 186.393,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.59443,
    "c": 0.09403,
    "h": 207.2
  },
  "luminance": 0.22036
}

Semantic roles & 50–950 ramp

primary

#218E9B

secondary

#C06358

accent

#5240E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218E9B

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

Preview Lab → · Contrast checker → · Palette generator →