#218F9B#218F9B

#218F9B is a mid, moderate teal. Relative luminance 0.223; OKLCH L 59.7% C 0.094 H 206.1°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#218F9B
RGB	rgb(33, 143, 155)
HSL	hsl(186, 65%, 37%)
HSV	hsv(186, 79%, 61%)
CMYK	cmyk(78.7%, 7.7%, 0%, 39.2%)
CIE-LAB	lab(54.38, -25.20, -14.94)
CIE-LCH	lch(54.38, 29.30, 210.66°)
OKLab	oklab(59.7% -0.0847 -0.0416)
OKLCH	oklch(59.7% 0.094 206.1)
XYZ	xyz(16.3634, 22.3328, 34.4522)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F9B #9B2D21

analogous

#219B6A #218F9B #21529B

triadic

#218F9B #9B218F #8F9B21

tetradic

#218F9B #6A219B #9B2D21 #529B21

square

#218F9B #6A219B #9B2D21 #529B21

split-complementary

#218F9B #9B2152 #9B6A21

monochromatic

#0C3236 #166069 #218F9B #2CBECD #5ACFDC

Accessibility & contrast

On white

3.84

#218F9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#218F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F9B

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F9B	#FFFFFF	#000000	##000000
##218F9B	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82899C

Deuteranopia (green-blind)

#727D9B

Tritanopia (blue-blind)

#009692

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218f9b;
/* rgb */ color: rgb(33, 143, 155);
/* oklch */ color: oklch(59.7% 0.094 206.1);

Tailwind

colors: {
  custom: {
    50: '#72b0b8',
    500: '#218f9b',
    950: '#000000',
  },
}

SCSS

$custom: #218f9b;
$custom-light: #72b0b8;
$custom-dark: #000000;

JSON

{
  "hex": "#218f9b",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 155
  },
  "hsl": {
    "h": 185.902,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.59699,
    "c": 0.09432,
    "h": 206.1
  },
  "luminance": 0.22335
}

Semantic roles & 50–950 ramp

primary

#218F9B

secondary

#C06258

accent

#5040E8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218F9B

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

Preview Lab → · Contrast checker → · Palette generator →