#218DA9#218DA9

#218DA9 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.8% C 0.101 H 220.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#218DA9
RGB	rgb(33, 141, 169)
HSL	hsl(192, 67%, 40%)
HSV	hsv(192, 80%, 66%)
CMYK	cmyk(80.5%, 16.6%, 0%, 33.7%)
CIE-LAB	lab(54.28, -19.50, -23.15)
CIE-LCH	lch(54.28, 30.27, 229.90°)
OKLab	oklab(59.79% -0.0768 -0.0648)
OKLCH	oklch(59.79% 0.101 220.2)
XYZ	xyz(17.3105, 22.2355, 40.9080)
Luminance	0.2224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218DA9 #A93D21

analogous

#21A981 #218DA9 #2149A9

triadic

#218DA9 #A9218D #8DA921

tetradic

#218DA9 #8121A9 #A93D21 #49A921

square

#218DA9 #8121A9 #A93D21 #49A921

split-complementary

#218DA9 #A92149 #A98121

monochromatic

#0D3843 #176276 #218DA9 #31B4D7 #64C7E1

Accessibility & contrast

On white

3.85

#218DA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#218DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218DA9

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218DA9	#FFFFFF	#000000	##000000
##218DA9	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89AA

Deuteranopia (green-blind)

#6A7CA9

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218da9;
/* rgb */ color: rgb(33, 141, 169);
/* oklch */ color: oklch(59.8% 0.101 220.2);

Tailwind

colors: {
  custom: {
    50: '#74aec2',
    500: '#218da9',
    950: '#000000',
  },
}

SCSS

$custom: #218da9;
$custom-light: #74aec2;
$custom-dark: #000000;

JSON

{
  "hex": "#218da9",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 169
  },
  "hsl": {
    "h": 192.353,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.5979,
    "c": 0.10051,
    "h": 220.2
  },
  "luminance": 0.22238
}

Semantic roles & 50–950 ramp

primary

#218DA9

secondary

#C67560

accent

#613EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218DA9

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

Preview Lab → · Contrast checker → · Palette generator →