#218A7D#218A7D

#218A7D is a mid, moderate teal. Relative luminance 0.200; OKLCH L 57.3% C 0.094 H 182.6°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#218A7D
RGB	rgb(33, 138, 125)
HSL	hsl(173, 61%, 34%)
HSV	hsv(173, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 9.4%, 45.9%)
CIE-LAB	lab(51.81, -31.97, -1.40)
CIE-LCH	lch(51.81, 32.00, 182.52°)
OKLab	oklab(57.3% -0.0934 -0.0043)
OKLCH	oklch(57.3% 0.094 182.6)
XYZ	xyz(13.4155, 19.9793, 22.5474)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A7D #8A212E

analogous

#218A48 #218A7D #21628A

triadic

#218A7D #7D218A #8A7D21

tetradic

#218A7D #48218A #8A212E #628A21

square

#218A7D #48218A #8A212E #628A21

split-complementary

#218A7D #8A2162 #8A4821

monochromatic

#092724 #155950 #218A7D #2DBBAA #50D5C5

Accessibility & contrast

On white

4.20

#218A7D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#218A7D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A7D

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A7D	#FFFFFF	#000000	##000000
##218A7D	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83827D

Deuteranopia (green-blind)

#75777E

Tritanopia (blue-blind)

#008D86

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #218a7d;
/* rgb */ color: rgb(33, 138, 125);
/* oklch */ color: oklch(57.3% 0.094 182.6);

Tailwind

colors: {
  custom: {
    50: '#6fada2',
    500: '#218a7d',
    950: '#000000',
  },
}

SCSS

$custom: #218a7d;
$custom-light: #6fada2;
$custom-dark: #000000;

JSON

{
  "hex": "#218a7d",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 125
  },
  "hsl": {
    "h": 172.571,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57296,
    "c": 0.09352,
    "h": 182.6
  },
  "luminance": 0.19981
}

Semantic roles & 50–950 ramp

primary

#218A7D

secondary

#B94E5B

accent

#4357E5

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100F

muted

#7B7F7E

Preview Lab

Preview with #218A7D

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

Preview Lab → · Contrast checker → · Palette generator →