#218FA5#218FA5

#218FA5 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.1% C 0.098 H 215.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#218FA5
RGB	rgb(33, 143, 165)
HSL	hsl(190, 67%, 39%)
HSV	hsv(190, 80%, 65%)
CMYK	cmyk(80%, 13.3%, 0%, 35.3%)
CIE-LAB	lab(54.74, -21.91, -20.14)
CIE-LCH	lch(54.74, 29.76, 222.59°)
OKLab	oklab(60.11% -0.0804 -0.0562)
OKLCH	oklch(60.11% 0.098 215)
XYZ	xyz(17.2383, 22.6827, 39.0597)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218FA5 #A53721

analogous

#21A579 #218FA5 #214DA5

triadic

#218FA5 #A5218F #8FA521

tetradic

#218FA5 #7921A5 #A53721 #4DA521

square

#218FA5 #7921A5 #A53721 #4DA521

split-complementary

#218FA5 #A5214D #A57921

monochromatic

#0D373F #176372 #218FA5 #2EB9D5 #61CADF

Accessibility & contrast

On white

3.79

#218FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#218FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FA5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218FA5	#FFFFFF	#000000	##000000
##218FA5	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808AA6

Deuteranopia (green-blind)

#6E7DA5

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #218fa5;
/* rgb */ color: rgb(33, 143, 165);
/* oklch */ color: oklch(60.1% 0.098 215.0);

Tailwind

colors: {
  custom: {
    50: '#74b0bf',
    500: '#218fa5',
    950: '#000000',
  },
}

SCSS

$custom: #218fa5;
$custom-light: #74b0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#218fa5",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 165
  },
  "hsl": {
    "h": 190,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.60115,
    "c": 0.09811,
    "h": 215
  },
  "luminance": 0.22685
}

Semantic roles & 50–950 ramp

primary

#218FA5

secondary

#C46F5E

accent

#5B3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218FA5

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

Preview Lab → · Contrast checker → · Palette generator →