#218FA9#218FA9

#218FA9 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.3% C 0.100 H 218.2°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#218FA9
RGB	rgb(33, 143, 169)
HSL	hsl(191, 67%, 40%)
HSV	hsv(191, 80%, 66%)
CMYK	cmyk(80.5%, 15.4%, 0%, 33.7%)
CIE-LAB	lab(54.90, -20.56, -22.20)
CIE-LCH	lch(54.90, 30.25, 227.19°)
OKLab	oklab(60.29% -0.0788 -0.0621)
OKLCH	oklch(60.29% 0.1 218.2)
XYZ	xyz(17.6080, 22.8306, 41.0072)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218FA9 #A93B21

analogous

#21A97F #218FA9 #214BA9

triadic

#218FA9 #A9218F #8FA921

tetradic

#218FA9 #7F21A9 #A93B21 #4BA921

square

#218FA9 #7F21A9 #A93B21 #4BA921

split-complementary

#218FA9 #A9214B #A97F21

monochromatic

#0D3843 #176476 #218FA9 #31B7D7 #64C9E1

Accessibility & contrast

On white

3.77

#218FA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#218FA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FA9

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218FA9	#FFFFFF	#000000	##000000
##218FA9	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8BAA

Deuteranopia (green-blind)

#6D7EA9

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #218fa9;
/* rgb */ color: rgb(33, 143, 169);
/* oklch */ color: oklch(60.3% 0.100 218.2);

Tailwind

colors: {
  custom: {
    50: '#74b0c2',
    500: '#218fa9',
    950: '#000000',
  },
}

SCSS

$custom: #218fa9;
$custom-light: #74b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#218fa9",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 169
  },
  "hsl": {
    "h": 191.471,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.60289,
    "c": 0.1003,
    "h": 218.2
  },
  "luminance": 0.22833
}

Semantic roles & 50–950 ramp

primary

#218FA9

secondary

#C67360

accent

#5F3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218FA9

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

Preview Lab → · Contrast checker → · Palette generator →