#218DA7#218DA7

#218DA7 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.7% C 0.099 H 218.6°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#218DA7
RGB	rgb(33, 141, 167)
HSL	hsl(192, 67%, 39%)
HSV	hsv(192, 80%, 65%)
CMYK	cmyk(80.2%, 15.6%, 0%, 34.5%)
CIE-LAB	lab(54.20, -20.18, -22.12)
CIE-LCH	lch(54.20, 29.94, 227.63°)
OKLab	oklab(59.7% -0.0776 -0.0619)
OKLCH	oklch(59.7% 0.099 218.6)
XYZ	xyz(17.1242, 22.1610, 39.9267)
Luminance	0.2216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218DA7 #A73B21

analogous

#21A77E #218DA7 #214AA7

triadic

#218DA7 #A7218D #8DA721

tetradic

#218DA7 #7E21A7 #A73B21 #4AA721

square

#218DA7 #7E21A7 #A73B21 #4AA721

split-complementary

#218DA7 #A7214A #A77E21

monochromatic

#0D3741 #176274 #218DA7 #2FB6D6 #62C8E0

Accessibility & contrast

On white

3.87

#218DA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#218DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218DA7

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218DA7	#FFFFFF	#000000	##000000
##218DA7	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D89A8

Deuteranopia (green-blind)

#6B7CA7

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218da7;
/* rgb */ color: rgb(33, 141, 167);
/* oklch */ color: oklch(59.7% 0.099 218.6);

Tailwind

colors: {
  custom: {
    50: '#74aec1',
    500: '#218da7',
    950: '#000000',
  },
}

SCSS

$custom: #218da7;
$custom-light: #74aec1;
$custom-dark: #000000;

JSON

{
  "hex": "#218da7",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 167
  },
  "hsl": {
    "h": 191.642,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.597,
    "c": 0.09928,
    "h": 218.6
  },
  "luminance": 0.22163
}

Semantic roles & 50–950 ramp

primary

#218DA7

secondary

#C5735F

accent

#5F3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218DA7

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

Preview Lab → · Contrast checker → · Palette generator →