#218D8B#218D8B

#218D8B is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.6% C 0.092 H 193.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#218D8B
RGB	rgb(33, 141, 139)
HSL	hsl(179, 62%, 34%)
HSV	hsv(179, 77%, 55%)
CMYK	cmyk(76.6%, 0%, 1.4%, 44.7%)
CIE-LAB	lab(53.21, -29.25, -7.47)
CIE-LCH	lch(53.21, 30.18, 194.32°)
OKLab	oklab(58.57% -0.0899 -0.0208)
OKLCH	oklch(58.57% 0.092 193)
XYZ	xyz(14.8101, 21.2354, 27.7394)
Luminance	0.2124 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D8B #8D2123

analogous

#218D55 #218D8B #21598D

triadic

#218D8B #8B218D #8D8B21

tetradic

#218D8B #55218D #8D2123 #598D21

square

#218D8B #55218D #8D2123 #598D21

split-complementary

#218D8B #8D2159 #8D5521

monochromatic

#0A2A29 #155B5A #218D8B #2DBFBC #52D6D4

Accessibility & contrast

On white

4.00

#218D8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#218D8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D8B

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D8B	#FFFFFF	#000000	##000000
##218D8B	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84868B

Deuteranopia (green-blind)

#747A8C

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #218d8b;
/* rgb */ color: rgb(33, 141, 139);
/* oklch */ color: oklch(58.6% 0.092 193.0);

Tailwind

colors: {
  custom: {
    50: '#70afac',
    500: '#218d8b',
    950: '#000000',
  },
}

SCSS

$custom: #218d8b;
$custom-light: #70afac;
$custom-dark: #000000;

JSON

{
  "hex": "#218d8b",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 139
  },
  "hsl": {
    "h": 178.889,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5857,
    "c": 0.09225,
    "h": 193
  },
  "luminance": 0.21237
}

Semantic roles & 50–950 ramp

primary

#218D8B

secondary

#BA5052

accent

#4346E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218D8B

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

Preview Lab → · Contrast checker → · Palette generator →