#218DAE#218DAE

#218DAE is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.0% C 0.104 H 223.9°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#218DAE
RGB	rgb(33, 141, 174)
HSL	hsl(194, 68%, 41%)
HSV	hsv(194, 81%, 68%)
CMYK	cmyk(81%, 19%, 0%, 31.8%)
CIE-LAB	lab(54.48, -17.78, -25.71)
CIE-LCH	lch(54.48, 31.25, 235.34°)
OKLab	oklab(60.02% -0.0749 -0.0721)
OKLCH	oklch(60.02% 0.104 223.9)
XYZ	xyz(17.7889, 22.4269, 43.4274)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218DAE #AE4221

analogous

#21AE89 #218DAE #2146AE

triadic

#218DAE #AE218D #8DAE21

tetradic

#218DAE #8921AE #AE4221 #46AE21

square

#218DAE #8921AE #AE4221 #46AE21

split-complementary

#218DAE #AE2146 #AE8921

monochromatic

#0D3A47 #17637B #218DAE #34B2D8 #67C5E2

Accessibility & contrast

On white

3.83

#218DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#218DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218DAE

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218DAE	#FFFFFF	#000000	##000000
##218DAE	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8AB0

Deuteranopia (green-blind)

#687DAE

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218dae;
/* rgb */ color: rgb(33, 141, 174);
/* oklch */ color: oklch(60.0% 0.104 223.9);

Tailwind

colors: {
  custom: {
    50: '#75aec6',
    500: '#218dae',
    950: '#000000',
  },
}

SCSS

$custom: #218dae;
$custom-light: #75aec6;
$custom-dark: #000000;

JSON

{
  "hex": "#218dae",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 174
  },
  "hsl": {
    "h": 194.043,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.60017,
    "c": 0.10395,
    "h": 223.9
  },
  "luminance": 0.22429
}

Semantic roles & 50–950 ramp

primary

#218DAE

secondary

#C87B63

accent

#663DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #218DAE

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

Preview Lab → · Contrast checker → · Palette generator →