#218FAA#218FAA

#218FAA is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.3% C 0.101 H 219.0°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#218FAA
RGB	rgb(33, 143, 170)
HSL	hsl(192, 67%, 40%)
HSV	hsv(192, 81%, 67%)
CMYK	cmyk(80.6%, 15.9%, 0%, 33.3%)
CIE-LAB	lab(54.94, -20.22, -22.71)
CIE-LCH	lch(54.94, 30.41, 228.32°)
OKLab	oklab(60.33% -0.0784 -0.0635)
OKLCH	oklch(60.33% 0.101 219)
XYZ	xyz(17.7023, 22.8683, 41.5035)
Luminance	0.2287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218FAA #AA3C21

analogous

#21AA81 #218FAA #214AAA

triadic

#218FAA #AA218F #8FAA21

tetradic

#218FAA #8121AA #AA3C21 #4AAA21

square

#218FAA #8121AA #AA3C21 #4AAA21

split-complementary

#218FAA #AA214A #AA8121

monochromatic

#0D3943 #176477 #218FAA #31B6D7 #64C8E1

Accessibility & contrast

On white

3.77

#218FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#218FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FAA

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218FAA	#FFFFFF	#000000	##000000
##218FAA	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)

#7E8BAB

Deuteranopia (green-blind)

#6C7EAA

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #218faa;
/* rgb */ color: rgb(33, 143, 170);
/* oklch */ color: oklch(60.3% 0.101 219.0);

Tailwind

colors: {
  custom: {
    50: '#74b0c3',
    500: '#218faa',
    950: '#000000',
  },
}

SCSS

$custom: #218faa;
$custom-light: #74b0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#218faa",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 170
  },
  "hsl": {
    "h": 191.825,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.60334,
    "c": 0.10089,
    "h": 219
  },
  "luminance": 0.22871
}

Semantic roles & 50–950 ramp

primary

#218FAA

secondary

#C67561

accent

#603DEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218FAA

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

Preview Lab → · Contrast checker → · Palette generator →