#218B88#218B88

#218B88 is a mid, moderate teal. Relative luminance 0.206; OKLCH L 57.9% C 0.091 H 192.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#218B88
RGB	rgb(33, 139, 136)
HSL	hsl(178, 62%, 34%)
HSV	hsv(178, 76%, 55%)
CMYK	cmyk(76.3%, 0%, 2.2%, 45.5%)
CIE-LAB	lab(52.47, -29.19, -6.82)
CIE-LCH	lch(52.47, 29.97, 193.16°)
OKLab	oklab(57.94% -0.0892 -0.019)
OKLCH	oklch(57.94% 0.091 192)
XYZ	xyz(14.3017, 20.5644, 26.5034)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B88 #8B2124

analogous

#218B53 #218B88 #21598B

triadic

#218B88 #88218B #8B8821

tetradic

#218B88 #53218B #8B2124 #598B21

square

#218B88 #53218B #8B2124 #598B21

split-complementary

#218B88 #8B2159 #8B5321

monochromatic

#0A2827 #155A58 #218B88 #2DBCB8 #51D6D2

Accessibility & contrast

On white

4.11

#218B88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#218B88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B88

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B88	#FFFFFF	#000000	##000000
##218B88	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828488

Deuteranopia (green-blind)

#737989

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218b88;
/* rgb */ color: rgb(33, 139, 136);
/* oklch */ color: oklch(57.9% 0.091 192.0);

Tailwind

colors: {
  custom: {
    50: '#70adaa',
    500: '#218b88',
    950: '#000000',
  },
}

SCSS

$custom: #218b88;
$custom-light: #70adaa;
$custom-dark: #000000;

JSON

{
  "hex": "#218b88",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 136
  },
  "hsl": {
    "h": 178.302,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.5794,
    "c": 0.09121,
    "h": 192
  },
  "luminance": 0.20566
}

Semantic roles & 50–950 ramp

primary

#218B88

secondary

#B94F52

accent

#4348E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218B88

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

Preview Lab → · Contrast checker → · Palette generator →