#218D9B#218D9B

#218D9B is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.2% C 0.094 H 208.2°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#218D9B
RGB	rgb(33, 141, 155)
HSL	hsl(187, 65%, 37%)
HSV	hsv(187, 79%, 61%)
CMYK	cmyk(78.7%, 9%, 0%, 39.2%)
CIE-LAB	lab(53.75, -24.18, -15.90)
CIE-LCH	lch(53.75, 28.94, 213.33°)
OKLab	oklab(59.19% -0.0827 -0.0443)
OKLCH	oklch(59.19% 0.094 208.2)
XYZ	xyz(16.0659, 21.7377, 34.3530)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D9B #9B2F21

analogous

#219B6C #218D9B #21509B

triadic

#218D9B #9B218D #8D9B21

tetradic

#218D9B #6C219B #9B2F21 #509B21

square

#218D9B #6C219B #9B2F21 #509B21

split-complementary

#218D9B #9B2150 #9B6C21

monochromatic

#0C3136 #165F69 #218D9B #2CBBCD #5ACDDC

Accessibility & contrast

On white

3.93

#218D9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#218D9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D9B

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D9B	#FFFFFF	#000000	##000000
##218D9B	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80879C

Deuteranopia (green-blind)

#6F7B9B

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218d9b;
/* rgb */ color: rgb(33, 141, 155);
/* oklch */ color: oklch(59.2% 0.094 208.2);

Tailwind

colors: {
  custom: {
    50: '#72aeb8',
    500: '#218d9b',
    950: '#000000',
  },
}

SCSS

$custom: #218d9b;
$custom-light: #72aeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#218d9b",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 155
  },
  "hsl": {
    "h": 186.885,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.59189,
    "c": 0.09376,
    "h": 208.2
  },
  "luminance": 0.2174
}

Semantic roles & 50–950 ramp

primary

#218D9B

secondary

#C06458

accent

#5340E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218D9B

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

Preview Lab → · Contrast checker → · Palette generator →