#218A8D#218A8D

#218A8D is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.9% C 0.090 H 197.9°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#218A8D
RGB	rgb(33, 138, 141)
HSL	hsl(182, 62%, 34%)
HSV	hsv(182, 77%, 55%)
CMYK	cmyk(76.6%, 2.1%, 0%, 44.7%)
CIE-LAB	lab(52.31, -27.15, -9.96)
CIE-LCH	lch(52.31, 28.92, 200.16°)
OKLab	oklab(57.86% -0.0858 -0.0277)
OKLCH	oklch(57.86% 0.09 197.9)
XYZ	xyz(14.5212, 20.4216, 28.3706)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A8D #8D2421

analogous

#218D5A #218A8D #21548D

triadic

#218A8D #8D218A #8A8D21

tetradic

#218A8D #5A218D #8D2421 #548D21

square

#218A8D #5A218D #8D2421 #548D21

split-complementary

#218A8D #8D2154 #8D5A21

monochromatic

#0A292A #15595B #218A8D #2DBBBF #52D3D6

Accessibility & contrast

On white

4.13

#218A8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#218A8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A8D

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A8D	#FFFFFF	#000000	##000000
##218A8D	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80838D

Deuteranopia (green-blind)

#71788E

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218a8d;
/* rgb */ color: rgb(33, 138, 141);
/* oklch */ color: oklch(57.9% 0.090 197.9);

Tailwind

colors: {
  custom: {
    50: '#70acae',
    500: '#218a8d',
    950: '#000000',
  },
}

SCSS

$custom: #218a8d;
$custom-light: #70acae;
$custom-dark: #000000;

JSON

{
  "hex": "#218a8d",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 141
  },
  "hsl": {
    "h": 181.667,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.57864,
    "c": 0.0902,
    "h": 197.9
  },
  "luminance": 0.20423
}

Semantic roles & 50–950 ramp

primary

#218A8D

secondary

#BA5350

accent

#4743E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218A8D

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

Preview Lab → · Contrast checker → · Palette generator →