#218CAE#218CAE

#218CAE is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.104 H 224.8°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#218CAE
RGB	rgb(33, 140, 174)
HSL	hsl(194, 68%, 41%)
HSV	hsv(194, 81%, 68%)
CMYK	cmyk(81%, 19.5%, 0%, 31.8%)
CIE-LAB	lab(54.17, -17.23, -26.18)
CIE-LCH	lch(54.17, 31.35, 236.65°)
OKLab	oklab(59.77% -0.0739 -0.0735)
OKLCH	oklch(59.77% 0.104 224.8)
XYZ	xyz(17.6421, 22.1333, 43.3785)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218CAE #AE4321

analogous

#21AE89 #218CAE #2145AE

triadic

#218CAE #AE218C #8CAE21

tetradic

#218CAE #8921AE #AE4321 #45AE21

square

#218CAE #8921AE #AE4321 #45AE21

split-complementary

#218CAE #AE2145 #AE8921

monochromatic

#0D3947 #17637B #218CAE #34B1D8 #67C5E2

Accessibility & contrast

On white

3.87

#218CAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#218CAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218CAE

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

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

#7989B0

Deuteranopia (green-blind)

#677CAE

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218cae;
/* rgb */ color: rgb(33, 140, 174);
/* oklch */ color: oklch(59.8% 0.104 224.8);

Tailwind

colors: {
  custom: {
    50: '#75adc6',
    500: '#218cae',
    950: '#000000',
  },
}

SCSS

$custom: #218cae;
$custom-light: #75adc6;
$custom-dark: #000000;

JSON

{
  "hex": "#218cae",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 174
  },
  "hsl": {
    "h": 194.468,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5977,
    "c": 0.10423,
    "h": 224.8
  },
  "luminance": 0.22135
}

Semantic roles & 50–950 ramp

primary

#218CAE

secondary

#C87B63

accent

#673DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #218CAE

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

Preview Lab → · Contrast checker → · Palette generator →