#218FA0#218FA0

#218FA0 is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.096 H 210.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#218FA0
RGB	rgb(33, 143, 160)
HSL	hsl(188, 66%, 38%)
HSV	hsv(188, 79%, 63%)
CMYK	cmyk(79.4%, 10.6%, 0%, 37.3%)
CIE-LAB	lab(54.56, -23.57, -17.55)
CIE-LCH	lch(54.56, 29.38, 216.67°)
OKLab	oklab(59.9% -0.0825 -0.0489)
OKLCH	oklch(59.9% 0.096 210.7)
XYZ	xyz(16.7921, 22.5042, 36.7096)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218FA0 #A03221

analogous

#21A071 #218FA0 #2150A0

triadic

#218FA0 #A0218F #8FA021

tetradic

#218FA0 #7121A0 #A03221 #50A021

square

#218FA0 #7121A0 #A03221 #50A021

split-complementary

#218FA0 #A02150 #A07121

monochromatic

#0C343B #17626D #218FA0 #2BBCD3 #5ECDDE

Accessibility & contrast

On white

3.82

#218FA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#218FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FA0

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218FA0	#FFFFFF	#000000	##000000
##218FA0	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA1

Deuteranopia (green-blind)

#707DA0

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218fa0;
/* rgb */ color: rgb(33, 143, 160);
/* oklch */ color: oklch(59.9% 0.096 210.7);

Tailwind

colors: {
  custom: {
    50: '#73b0bc',
    500: '#218fa0',
    950: '#000000',
  },
}

SCSS

$custom: #218fa0;
$custom-light: #73b0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#218fa0",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 160
  },
  "hsl": {
    "h": 188.031,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.59903,
    "c": 0.09592,
    "h": 210.7
  },
  "luminance": 0.22506
}

Semantic roles & 50–950 ramp

primary

#218FA0

secondary

#C2685B

accent

#563FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #218FA0

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

Preview Lab → · Contrast checker → · Palette generator →